Home / 19,306.83-26,641.17-10,809.42

Finding the Fourth Proportional to 19,306.83, 26,641.17 and 10,809.42

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Solution

The fourth proportional to 19,306.83, 26,641.17 and 10,809.42 is: 14,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306.83 : 26,641.17 = 10,809.42 : x
  2. Step 2: Convert to fraction form
    19,306.83/26,641.17 = 10,809.42/x
  3. Step 3: Cross multiply
    19,306.83x = 26,641.17 × 10,809.42
  4. Step 4: Simplify right side
    19,306.83x = 287,975,595.82
  5. Step 5: Solve for x
    x = 287,975,595.82/19,306.83
  6. Step 6: Final answer
    x = 14,915.74

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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.