Home / 21,729.60-32,594.40-16,545.60

Finding the Fourth Proportional to 21,729.60, 32,594.40 and 16,545.60

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Solution

The fourth proportional to 21,729.60, 32,594.40 and 16,545.60 is: 24,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729.60 : 32,594.40 = 16,545.60 : x
  2. Step 2: Convert to fraction form
    21,729.60/32,594.40 = 16,545.60/x
  3. Step 3: Cross multiply
    21,729.60x = 32,594.40 × 16,545.60
  4. Step 4: Simplify right side
    21,729.60x = 539,293,904.64
  5. Step 5: Solve for x
    x = 539,293,904.64/21,729.60
  6. Step 6: Final answer
    x = 24,818.40

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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.