Home / 25,819.95-38,718.41-7,347.63

Finding the Fourth Proportional to 25,819.95, 38,718.41 and 7,347.63

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Solution

The fourth proportional to 25,819.95, 38,718.41 and 7,347.63 is: 11,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.95 : 38,718.41 = 7,347.63 : x
  2. Step 2: Convert to fraction form
    25,819.95/38,718.41 = 7,347.63/x
  3. Step 3: Cross multiply
    25,819.95x = 38,718.41 × 7,347.63
  4. Step 4: Simplify right side
    25,819.95x = 284,488,514.13
  5. Step 5: Solve for x
    x = 284,488,514.13/25,819.95
  6. Step 6: Final answer
    x = 11,018.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.