Home / 13,432.05-18,535.05-7,463.34

Finding the Fourth Proportional to 13,432.05, 18,535.05 and 7,463.34

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Solution

The fourth proportional to 13,432.05, 18,535.05 and 7,463.34 is: 10,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.05 : 18,535.05 = 7,463.34 : x
  2. Step 2: Convert to fraction form
    13,432.05/18,535.05 = 7,463.34/x
  3. Step 3: Cross multiply
    13,432.05x = 18,535.05 × 7,463.34
  4. Step 4: Simplify right side
    13,432.05x = 138,333,380.07
  5. Step 5: Solve for x
    x = 138,333,380.07/13,432.05
  6. Step 6: Final answer
    x = 10,298.75

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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.