Home / 19,962.87-29,962.71-10,109.13

Finding the Fourth Proportional to 19,962.87, 29,962.71 and 10,109.13

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Solution

The fourth proportional to 19,962.87, 29,962.71 and 10,109.13 is: 15,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.87 : 29,962.71 = 10,109.13 : x
  2. Step 2: Convert to fraction form
    19,962.87/29,962.71 = 10,109.13/x
  3. Step 3: Cross multiply
    19,962.87x = 29,962.71 × 10,109.13
  4. Step 4: Simplify right side
    19,962.87x = 302,896,930.54
  5. Step 5: Solve for x
    x = 302,896,930.54/19,962.87
  6. Step 6: Final answer
    x = 15,173.02

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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.