Home / 26,469.02-36,530.15-15,139.55

Finding the Fourth Proportional to 26,469.02, 36,530.15 and 15,139.55

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Solution

The fourth proportional to 26,469.02, 36,530.15 and 15,139.55 is: 20,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.02 : 36,530.15 = 15,139.55 : x
  2. Step 2: Convert to fraction form
    26,469.02/36,530.15 = 15,139.55/x
  3. Step 3: Cross multiply
    26,469.02x = 36,530.15 × 15,139.55
  4. Step 4: Simplify right side
    26,469.02x = 553,050,032.43
  5. Step 5: Solve for x
    x = 553,050,032.43/26,469.02
  6. Step 6: Final answer
    x = 20,894.24

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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.