Home / 15,856.10-23,784.15-9,712.10

Finding the Fourth Proportional to 15,856.10, 23,784.15 and 9,712.10

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Solution

The fourth proportional to 15,856.10, 23,784.15 and 9,712.10 is: 14,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.10 : 23,784.15 = 9,712.10 : x
  2. Step 2: Convert to fraction form
    15,856.10/23,784.15 = 9,712.10/x
  3. Step 3: Cross multiply
    15,856.10x = 23,784.15 × 9,712.10
  4. Step 4: Simplify right side
    15,856.10x = 230,994,043.22
  5. Step 5: Solve for x
    x = 230,994,043.22/15,856.10
  6. Step 6: Final answer
    x = 14,568.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.