Home / 16,070.91-22,177.85-9,783.28

Finding the Fourth Proportional to 16,070.91, 22,177.85 and 9,783.28

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Solution

The fourth proportional to 16,070.91, 22,177.85 and 9,783.28 is: 13,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,070.91 : 22,177.85 = 9,783.28 : x
  2. Step 2: Convert to fraction form
    16,070.91/22,177.85 = 9,783.28/x
  3. Step 3: Cross multiply
    16,070.91x = 22,177.85 × 9,783.28
  4. Step 4: Simplify right side
    16,070.91x = 216,972,150.18
  5. Step 5: Solve for x
    x = 216,972,150.18/16,070.91
  6. Step 6: Final answer
    x = 13,500.93

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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.