Home / 26,779.17-36,951.08-15,449.10

Finding the Fourth Proportional to 26,779.17, 36,951.08 and 15,449.10

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Solution

The fourth proportional to 26,779.17, 36,951.08 and 15,449.10 is: 21,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.17 : 36,951.08 = 15,449.10 : x
  2. Step 2: Convert to fraction form
    26,779.17/36,951.08 = 15,449.10/x
  3. Step 3: Cross multiply
    26,779.17x = 36,951.08 × 15,449.10
  4. Step 4: Simplify right side
    26,779.17x = 570,860,852.78
  5. Step 5: Solve for x
    x = 570,860,852.78/26,779.17
  6. Step 6: Final answer
    x = 21,317.35

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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.