Home / 13,301.31-18,355.47-7,332.84

Finding the Fourth Proportional to 13,301.31, 18,355.47 and 7,332.84

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Solution

The fourth proportional to 13,301.31, 18,355.47 and 7,332.84 is: 10,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.31 : 18,355.47 = 7,332.84 : x
  2. Step 2: Convert to fraction form
    13,301.31/18,355.47 = 7,332.84/x
  3. Step 3: Cross multiply
    13,301.31x = 18,355.47 × 7,332.84
  4. Step 4: Simplify right side
    13,301.31x = 134,597,724.63
  5. Step 5: Solve for x
    x = 134,597,724.63/13,301.31
  6. Step 6: Final answer
    x = 10,119.13

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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.