Home / 22,710.64-34,055.42-12,572.20

Finding the Fourth Proportional to 22,710.64, 34,055.42 and 12,572.20

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Solution

The fourth proportional to 22,710.64, 34,055.42 and 12,572.20 is: 18,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.64 : 34,055.42 = 12,572.20 : x
  2. Step 2: Convert to fraction form
    22,710.64/34,055.42 = 12,572.20/x
  3. Step 3: Cross multiply
    22,710.64x = 34,055.42 × 12,572.20
  4. Step 4: Simplify right side
    22,710.64x = 428,151,551.32
  5. Step 5: Solve for x
    x = 428,151,551.32/22,710.64
  6. Step 6: Final answer
    x = 18,852.47

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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.