Home / 19,700.68-29,543.28-8,599.56

Finding the Fourth Proportional to 19,700.68, 29,543.28 and 8,599.56

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Solution

The fourth proportional to 19,700.68, 29,543.28 and 8,599.56 is: 12,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.68 : 29,543.28 = 8,599.56 : x
  2. Step 2: Convert to fraction form
    19,700.68/29,543.28 = 8,599.56/x
  3. Step 3: Cross multiply
    19,700.68x = 29,543.28 × 8,599.56
  4. Step 4: Simplify right side
    19,700.68x = 254,059,208.96
  5. Step 5: Solve for x
    x = 254,059,208.96/19,700.68
  6. Step 6: Final answer
    x = 12,895.96

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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.