Home / 13,167.48-18,159.36-10,925.81

Finding the Fourth Proportional to 13,167.48, 18,159.36 and 10,925.81

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Solution

The fourth proportional to 13,167.48, 18,159.36 and 10,925.81 is: 15,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.48 : 18,159.36 = 10,925.81 : x
  2. Step 2: Convert to fraction form
    13,167.48/18,159.36 = 10,925.81/x
  3. Step 3: Cross multiply
    13,167.48x = 18,159.36 × 10,925.81
  4. Step 4: Simplify right side
    13,167.48x = 198,405,717.08
  5. Step 5: Solve for x
    x = 198,405,717.08/13,167.48
  6. Step 6: Final answer
    x = 15,067.86

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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.