Home / 13,332.60-18,399.96-8,030.34

Finding the Fourth Proportional to 13,332.60, 18,399.96 and 8,030.34

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Solution

The fourth proportional to 13,332.60, 18,399.96 and 8,030.34 is: 11,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.60 : 18,399.96 = 8,030.34 : x
  2. Step 2: Convert to fraction form
    13,332.60/18,399.96 = 8,030.34/x
  3. Step 3: Cross multiply
    13,332.60x = 18,399.96 × 8,030.34
  4. Step 4: Simplify right side
    13,332.60x = 147,757,934.79
  5. Step 5: Solve for x
    x = 147,757,934.79/13,332.60
  6. Step 6: Final answer
    x = 11,082.45

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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.