Home / 19,762.08-29,615.52-13,907.04

Finding the Fourth Proportional to 19,762.08, 29,615.52 and 13,907.04

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Solution

The fourth proportional to 19,762.08, 29,615.52 and 13,907.04 is: 20,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.08 : 29,615.52 = 13,907.04 : x
  2. Step 2: Convert to fraction form
    19,762.08/29,615.52 = 13,907.04/x
  3. Step 3: Cross multiply
    19,762.08x = 29,615.52 × 13,907.04
  4. Step 4: Simplify right side
    19,762.08x = 411,864,221.26
  5. Step 5: Solve for x
    x = 411,864,221.26/19,762.08
  6. Step 6: Final answer
    x = 20,841.14

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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.