Home / 23,151.76-31,937.69-14,639.54

Finding the Fourth Proportional to 23,151.76, 31,937.69 and 14,639.54

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Solution

The fourth proportional to 23,151.76, 31,937.69 and 14,639.54 is: 20,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.76 : 31,937.69 = 14,639.54 : x
  2. Step 2: Convert to fraction form
    23,151.76/31,937.69 = 14,639.54/x
  3. Step 3: Cross multiply
    23,151.76x = 31,937.69 × 14,639.54
  4. Step 4: Simplify right side
    23,151.76x = 467,552,967.17
  5. Step 5: Solve for x
    x = 467,552,967.17/23,151.76
  6. Step 6: Final answer
    x = 20,195.14

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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.