Home / 32,646.12-48,960.90-13,915.80

Finding the Fourth Proportional to 32,646.12, 48,960.90 and 13,915.80

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Solution

The fourth proportional to 32,646.12, 48,960.90 and 13,915.80 is: 20,870.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,646.12 : 48,960.90 = 13,915.80 : x
  2. Step 2: Convert to fraction form
    32,646.12/48,960.90 = 13,915.80/x
  3. Step 3: Cross multiply
    32,646.12x = 48,960.90 × 13,915.80
  4. Step 4: Simplify right side
    32,646.12x = 681,330,092.22
  5. Step 5: Solve for x
    x = 681,330,092.22/32,646.12
  6. Step 6: Final answer
    x = 20,870.17

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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.