Home / 21,572.06-32,347.15-9,875.25

Finding the Fourth Proportional to 21,572.06, 32,347.15 and 9,875.25

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Solution

The fourth proportional to 21,572.06, 32,347.15 and 9,875.25 is: 14,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.06 : 32,347.15 = 9,875.25 : x
  2. Step 2: Convert to fraction form
    21,572.06/32,347.15 = 9,875.25/x
  3. Step 3: Cross multiply
    21,572.06x = 32,347.15 × 9,875.25
  4. Step 4: Simplify right side
    21,572.06x = 319,436,168.35
  5. Step 5: Solve for x
    x = 319,436,168.35/21,572.06
  6. Step 6: Final answer
    x = 14,807.87

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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.