Home / 15,781.06-23,688.65-14,037.23

Finding the Fourth Proportional to 15,781.06, 23,688.65 and 14,037.23

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Solution

The fourth proportional to 15,781.06, 23,688.65 and 14,037.23 is: 21,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.06 : 23,688.65 = 14,037.23 : x
  2. Step 2: Convert to fraction form
    15,781.06/23,688.65 = 14,037.23/x
  3. Step 3: Cross multiply
    15,781.06x = 23,688.65 × 14,037.23
  4. Step 4: Simplify right side
    15,781.06x = 332,523,122.75
  5. Step 5: Solve for x
    x = 332,523,122.75/15,781.06
  6. Step 6: Final answer
    x = 21,071.02

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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.