Home / 23,321.87-32,184.86-12,712.19

Finding the Fourth Proportional to 23,321.87, 32,184.86 and 12,712.19

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Solution

The fourth proportional to 23,321.87, 32,184.86 and 12,712.19 is: 17,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.87 : 32,184.86 = 12,712.19 : x
  2. Step 2: Convert to fraction form
    23,321.87/32,184.86 = 12,712.19/x
  3. Step 3: Cross multiply
    23,321.87x = 32,184.86 × 12,712.19
  4. Step 4: Simplify right side
    23,321.87x = 409,140,055.44
  5. Step 5: Solve for x
    x = 409,140,055.44/23,321.87
  6. Step 6: Final answer
    x = 17,543.19

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Half scale
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Double scale
Find fourth proportional to 23,322.87, 32,186.24 and 12,713.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.