Home / 15,666.19-23,503.14-5,136.79

Finding the Fourth Proportional to 15,666.19, 23,503.14 and 5,136.79

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Solution

The fourth proportional to 15,666.19, 23,503.14 and 5,136.79 is: 7,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.19 : 23,503.14 = 5,136.79 : x
  2. Step 2: Convert to fraction form
    15,666.19/23,503.14 = 5,136.79/x
  3. Step 3: Cross multiply
    15,666.19x = 23,503.14 × 5,136.79
  4. Step 4: Simplify right side
    15,666.19x = 120,730,694.52
  5. Step 5: Solve for x
    x = 120,730,694.52/15,666.19
  6. Step 6: Final answer
    x = 7,706.45

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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.