Home / 26,920.15-37,151.02-15,590.14

Finding the Fourth Proportional to 26,920.15, 37,151.02 and 15,590.14

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Solution

The fourth proportional to 26,920.15, 37,151.02 and 15,590.14 is: 21,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.15 : 37,151.02 = 15,590.14 : x
  2. Step 2: Convert to fraction form
    26,920.15/37,151.02 = 15,590.14/x
  3. Step 3: Cross multiply
    26,920.15x = 37,151.02 × 15,590.14
  4. Step 4: Simplify right side
    26,920.15x = 579,189,529.55
  5. Step 5: Solve for x
    x = 579,189,529.55/26,920.15
  6. Step 6: Final answer
    x = 21,515.09

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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.