Home / 15,342.52-21,180.58-9,056.92

Finding the Fourth Proportional to 15,342.52, 21,180.58 and 9,056.92

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Solution

The fourth proportional to 15,342.52, 21,180.58 and 9,056.92 is: 12,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.52 : 21,180.58 = 9,056.92 : x
  2. Step 2: Convert to fraction form
    15,342.52/21,180.58 = 9,056.92/x
  3. Step 3: Cross multiply
    15,342.52x = 21,180.58 × 9,056.92
  4. Step 4: Simplify right side
    15,342.52x = 191,830,818.61
  5. Step 5: Solve for x
    x = 191,830,818.61/15,342.52
  6. Step 6: Final answer
    x = 12,503.21

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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.