Home / 21,501.60-32,252.40-14,503.20

Finding the Fourth Proportional to 21,501.60, 32,252.40 and 14,503.20

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Solution

The fourth proportional to 21,501.60, 32,252.40 and 14,503.20 is: 21,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.60 : 32,252.40 = 14,503.20 : x
  2. Step 2: Convert to fraction form
    21,501.60/32,252.40 = 14,503.20/x
  3. Step 3: Cross multiply
    21,501.60x = 32,252.40 × 14,503.20
  4. Step 4: Simplify right side
    21,501.60x = 467,763,007.68
  5. Step 5: Solve for x
    x = 467,763,007.68/21,501.60
  6. Step 6: Final answer
    x = 21,754.80

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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.