Home / 13,567.32-18,713.34-11,545.56

Finding the Fourth Proportional to 13,567.32, 18,713.34 and 11,545.56

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Solution

The fourth proportional to 13,567.32, 18,713.34 and 11,545.56 is: 15,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.32 : 18,713.34 = 11,545.56 : x
  2. Step 2: Convert to fraction form
    13,567.32/18,713.34 = 11,545.56/x
  3. Step 3: Cross multiply
    13,567.32x = 18,713.34 × 11,545.56
  4. Step 4: Simplify right side
    13,567.32x = 216,055,989.77
  5. Step 5: Solve for x
    x = 216,055,989.77/13,567.32
  6. Step 6: Final answer
    x = 15,924.74

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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.