Home / 21,445.28-29,592.50-12,012.02

Finding the Fourth Proportional to 21,445.28, 29,592.50 and 12,012.02

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Solution

The fourth proportional to 21,445.28, 29,592.50 and 12,012.02 is: 16,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.28 : 29,592.50 = 12,012.02 : x
  2. Step 2: Convert to fraction form
    21,445.28/29,592.50 = 12,012.02/x
  3. Step 3: Cross multiply
    21,445.28x = 29,592.50 × 12,012.02
  4. Step 4: Simplify right side
    21,445.28x = 355,465,701.85
  5. Step 5: Solve for x
    x = 355,465,701.85/21,445.28
  6. Step 6: Final answer
    x = 16,575.47

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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.