Home / 13,346.01-18,411.66-7,679.52

Finding the Fourth Proportional to 13,346.01, 18,411.66 and 7,679.52

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Solution

The fourth proportional to 13,346.01, 18,411.66 and 7,679.52 is: 10,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.01 : 18,411.66 = 7,679.52 : x
  2. Step 2: Convert to fraction form
    13,346.01/18,411.66 = 7,679.52/x
  3. Step 3: Cross multiply
    13,346.01x = 18,411.66 × 7,679.52
  4. Step 4: Simplify right side
    13,346.01x = 141,392,711.20
  5. Step 5: Solve for x
    x = 141,392,711.20/13,346.01
  6. Step 6: Final answer
    x = 10,594.38

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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.