Home / 18,872.47-26,044.63-10,374.95

Finding the Fourth Proportional to 18,872.47, 26,044.63 and 10,374.95

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Solution

The fourth proportional to 18,872.47, 26,044.63 and 10,374.95 is: 14,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.47 : 26,044.63 = 10,374.95 : x
  2. Step 2: Convert to fraction form
    18,872.47/26,044.63 = 10,374.95/x
  3. Step 3: Cross multiply
    18,872.47x = 26,044.63 × 10,374.95
  4. Step 4: Simplify right side
    18,872.47x = 270,211,737.10
  5. Step 5: Solve for x
    x = 270,211,737.10/18,872.47
  6. Step 6: Final answer
    x = 14,317.77

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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.