Home / 23,140.83-31,932.54-13,070.28

Finding the Fourth Proportional to 23,140.83, 31,932.54 and 13,070.28

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Solution

The fourth proportional to 23,140.83, 31,932.54 and 13,070.28 is: 18,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.83 : 31,932.54 = 13,070.28 : x
  2. Step 2: Convert to fraction form
    23,140.83/31,932.54 = 13,070.28/x
  3. Step 3: Cross multiply
    23,140.83x = 31,932.54 × 13,070.28
  4. Step 4: Simplify right side
    23,140.83x = 417,367,238.91
  5. Step 5: Solve for x
    x = 417,367,238.91/23,140.83
  6. Step 6: Final answer
    x = 18,035.97

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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.