Home / 15,897.48-21,939.12-10,588.68

Finding the Fourth Proportional to 15,897.48, 21,939.12 and 10,588.68

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Solution

The fourth proportional to 15,897.48, 21,939.12 and 10,588.68 is: 14,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.48 : 21,939.12 = 10,588.68 : x
  2. Step 2: Convert to fraction form
    15,897.48/21,939.12 = 10,588.68/x
  3. Step 3: Cross multiply
    15,897.48x = 21,939.12 × 10,588.68
  4. Step 4: Simplify right side
    15,897.48x = 232,306,321.16
  5. Step 5: Solve for x
    x = 232,306,321.16/15,897.48
  6. Step 6: Final answer
    x = 14,612.78

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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.