Home / 18,925.47-26,116.89-10,427.41

Finding the Fourth Proportional to 18,925.47, 26,116.89 and 10,427.41

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Solution

The fourth proportional to 18,925.47, 26,116.89 and 10,427.41 is: 14,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.47 : 26,116.89 = 10,427.41 : x
  2. Step 2: Convert to fraction form
    18,925.47/26,116.89 = 10,427.41/x
  3. Step 3: Cross multiply
    18,925.47x = 26,116.89 × 10,427.41
  4. Step 4: Simplify right side
    18,925.47x = 272,331,519.95
  5. Step 5: Solve for x
    x = 272,331,519.95/18,925.47
  6. Step 6: Final answer
    x = 14,389.68

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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.