Home / 23,415.92-32,314.86-13,345.95

Finding the Fourth Proportional to 23,415.92, 32,314.86 and 13,345.95

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Solution

The fourth proportional to 23,415.92, 32,314.86 and 13,345.95 is: 18,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.92 : 32,314.86 = 13,345.95 : x
  2. Step 2: Convert to fraction form
    23,415.92/32,314.86 = 13,345.95/x
  3. Step 3: Cross multiply
    23,415.92x = 32,314.86 × 13,345.95
  4. Step 4: Simplify right side
    23,415.92x = 431,272,505.82
  5. Step 5: Solve for x
    x = 431,272,505.82/23,415.92
  6. Step 6: Final answer
    x = 18,417.92

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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.