Home / 13,301.31-18,355.31-7,332.63

Finding the Fourth Proportional to 13,301.31, 18,355.31 and 7,332.63

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Solution

The fourth proportional to 13,301.31, 18,355.31 and 7,332.63 is: 10,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.31 : 18,355.31 = 7,332.63 : x
  2. Step 2: Convert to fraction form
    13,301.31/18,355.31 = 7,332.63/x
  3. Step 3: Cross multiply
    13,301.31x = 18,355.31 × 7,332.63
  4. Step 4: Simplify right side
    13,301.31x = 134,592,618.77
  5. Step 5: Solve for x
    x = 134,592,618.77/13,301.31
  6. Step 6: Final answer
    x = 10,118.75

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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.