Home / 19,688.42-29,507.70-8,592.14

Finding the Fourth Proportional to 19,688.42, 29,507.70 and 8,592.14

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Solution

The fourth proportional to 19,688.42, 29,507.70 and 8,592.14 is: 12,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.42 : 29,507.70 = 8,592.14 : x
  2. Step 2: Convert to fraction form
    19,688.42/29,507.70 = 8,592.14/x
  3. Step 3: Cross multiply
    19,688.42x = 29,507.70 × 8,592.14
  4. Step 4: Simplify right side
    19,688.42x = 253,534,289.48
  5. Step 5: Solve for x
    x = 253,534,289.48/19,688.42
  6. Step 6: Final answer
    x = 12,877.33

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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.