Home / 22,050.08-30,419.04-15,352.16

Finding the Fourth Proportional to 22,050.08, 30,419.04 and 15,352.16

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Solution

The fourth proportional to 22,050.08, 30,419.04 and 15,352.16 is: 21,178.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.08 : 30,419.04 = 15,352.16 : x
  2. Step 2: Convert to fraction form
    22,050.08/30,419.04 = 15,352.16/x
  3. Step 3: Cross multiply
    22,050.08x = 30,419.04 × 15,352.16
  4. Step 4: Simplify right side
    22,050.08x = 466,997,969.13
  5. Step 5: Solve for x
    x = 466,997,969.13/22,050.08
  6. Step 6: Final answer
    x = 21,178.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.