Home / 14,825.47-20,498.51-12,957.12

Finding the Fourth Proportional to 14,825.47, 20,498.51 and 12,957.12

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Solution

The fourth proportional to 14,825.47, 20,498.51 and 12,957.12 is: 17,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.47 : 20,498.51 = 12,957.12 : x
  2. Step 2: Convert to fraction form
    14,825.47/20,498.51 = 12,957.12/x
  3. Step 3: Cross multiply
    14,825.47x = 20,498.51 × 12,957.12
  4. Step 4: Simplify right side
    14,825.47x = 265,601,691.59
  5. Step 5: Solve for x
    x = 265,601,691.59/14,825.47
  6. Step 6: Final answer
    x = 17,915.23

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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.