Home / 14,893.28-20,543.28-9,148.22

Finding the Fourth Proportional to 14,893.28, 20,543.28 and 9,148.22

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Solution

The fourth proportional to 14,893.28, 20,543.28 and 9,148.22 is: 12,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.28 : 20,543.28 = 9,148.22 : x
  2. Step 2: Convert to fraction form
    14,893.28/20,543.28 = 9,148.22/x
  3. Step 3: Cross multiply
    14,893.28x = 20,543.28 × 9,148.22
  4. Step 4: Simplify right side
    14,893.28x = 187,934,444.96
  5. Step 5: Solve for x
    x = 187,934,444.96/14,893.28
  6. Step 6: Final answer
    x = 12,618.74

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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.