Home / 15,514.40-23,275.49-4,985.35

Finding the Fourth Proportional to 15,514.40, 23,275.49 and 4,985.35

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Solution

The fourth proportional to 15,514.40, 23,275.49 and 4,985.35 is: 7,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.40 : 23,275.49 = 4,985.35 : x
  2. Step 2: Convert to fraction form
    15,514.40/23,275.49 = 4,985.35/x
  3. Step 3: Cross multiply
    15,514.40x = 23,275.49 × 4,985.35
  4. Step 4: Simplify right side
    15,514.40x = 116,036,380.96
  5. Step 5: Solve for x
    x = 116,036,380.96/15,514.40
  6. Step 6: Final answer
    x = 7,479.27

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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.