Home / 23,279.13-32,125.88-12,669.45

Finding the Fourth Proportional to 23,279.13, 32,125.88 and 12,669.45

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Solution

The fourth proportional to 23,279.13, 32,125.88 and 12,669.45 is: 17,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.13 : 32,125.88 = 12,669.45 : x
  2. Step 2: Convert to fraction form
    23,279.13/32,125.88 = 12,669.45/x
  3. Step 3: Cross multiply
    23,279.13x = 32,125.88 × 12,669.45
  4. Step 4: Simplify right side
    23,279.13x = 407,017,230.37
  5. Step 5: Solve for x
    x = 407,017,230.37/23,279.13
  6. Step 6: Final answer
    x = 17,484.21

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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.