Home / 26,191.36-36,143.04-15,585.76

Finding the Fourth Proportional to 26,191.36, 36,143.04 and 15,585.76

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Solution

The fourth proportional to 26,191.36, 36,143.04 and 15,585.76 is: 21,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,191.36 : 36,143.04 = 15,585.76 : x
  2. Step 2: Convert to fraction form
    26,191.36/36,143.04 = 15,585.76/x
  3. Step 3: Cross multiply
    26,191.36x = 36,143.04 × 15,585.76
  4. Step 4: Simplify right side
    26,191.36x = 563,316,747.11
  5. Step 5: Solve for x
    x = 563,316,747.11/26,191.36
  6. Step 6: Final answer
    x = 21,507.73

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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.