Home / 18,925.47-26,117.20-11,371.93

Finding the Fourth Proportional to 18,925.47, 26,117.20 and 11,371.93

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Solution

The fourth proportional to 18,925.47, 26,117.20 and 11,371.93 is: 15,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.47 : 26,117.20 = 11,371.93 : x
  2. Step 2: Convert to fraction form
    18,925.47/26,117.20 = 11,371.93/x
  3. Step 3: Cross multiply
    18,925.47x = 26,117.20 × 11,371.93
  4. Step 4: Simplify right side
    18,925.47x = 297,002,984.98
  5. Step 5: Solve for x
    x = 297,002,984.98/18,925.47
  6. Step 6: Final answer
    x = 15,693.29

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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.