Home / 23,130.91-34,710.21-21,248.73

Finding the Fourth Proportional to 23,130.91, 34,710.21 and 21,248.73

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Solution

The fourth proportional to 23,130.91, 34,710.21 and 21,248.73 is: 31,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.91 : 34,710.21 = 21,248.73 : x
  2. Step 2: Convert to fraction form
    23,130.91/34,710.21 = 21,248.73/x
  3. Step 3: Cross multiply
    23,130.91x = 34,710.21 × 21,248.73
  4. Step 4: Simplify right side
    23,130.91x = 737,547,600.74
  5. Step 5: Solve for x
    x = 737,547,600.74/23,130.91
  6. Step 6: Final answer
    x = 31,885.80

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1.5x scale

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.