Home / 18,948.98-26,148.14-10,451.42

Finding the Fourth Proportional to 18,948.98, 26,148.14 and 10,451.42

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Solution

The fourth proportional to 18,948.98, 26,148.14 and 10,451.42 is: 14,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.98 : 26,148.14 = 10,451.42 : x
  2. Step 2: Convert to fraction form
    18,948.98/26,148.14 = 10,451.42/x
  3. Step 3: Cross multiply
    18,948.98x = 26,148.14 × 10,451.42
  4. Step 4: Simplify right side
    18,948.98x = 273,285,206.47
  5. Step 5: Solve for x
    x = 273,285,206.47/18,948.98
  6. Step 6: Final answer
    x = 14,422.16

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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.