Home / 19,514.18-26,929.61-10,561.76

Finding the Fourth Proportional to 19,514.18, 26,929.61 and 10,561.76

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Solution

The fourth proportional to 19,514.18, 26,929.61 and 10,561.76 is: 14,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.18 : 26,929.61 = 10,561.76 : x
  2. Step 2: Convert to fraction form
    19,514.18/26,929.61 = 10,561.76/x
  3. Step 3: Cross multiply
    19,514.18x = 26,929.61 × 10,561.76
  4. Step 4: Simplify right side
    19,514.18x = 284,423,890.26
  5. Step 5: Solve for x
    x = 284,423,890.26/19,514.18
  6. Step 6: Final answer
    x = 14,575.25

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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.