Home / 21,957.48-32,925.15-10,107.72

Finding the Fourth Proportional to 21,957.48, 32,925.15 and 10,107.72

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Solution

The fourth proportional to 21,957.48, 32,925.15 and 10,107.72 is: 15,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957.48 : 32,925.15 = 10,107.72 : x
  2. Step 2: Convert to fraction form
    21,957.48/32,925.15 = 10,107.72/x
  3. Step 3: Cross multiply
    21,957.48x = 32,925.15 × 10,107.72
  4. Step 4: Simplify right side
    21,957.48x = 332,798,197.16
  5. Step 5: Solve for x
    x = 332,798,197.16/21,957.48
  6. Step 6: Final answer
    x = 15,156.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.