Home / 22,177.47-30,612.02-12,752.31

Finding the Fourth Proportional to 22,177.47, 30,612.02 and 12,752.31

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Solution

The fourth proportional to 22,177.47, 30,612.02 and 12,752.31 is: 17,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.47 : 30,612.02 = 12,752.31 : x
  2. Step 2: Convert to fraction form
    22,177.47/30,612.02 = 12,752.31/x
  3. Step 3: Cross multiply
    22,177.47x = 30,612.02 × 12,752.31
  4. Step 4: Simplify right side
    22,177.47x = 390,373,905.00
  5. Step 5: Solve for x
    x = 390,373,905.00/22,177.47
  6. Step 6: Final answer
    x = 17,602.27

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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.