Home / 26,507.12-36,579.89-15,176.78

Finding the Fourth Proportional to 26,507.12, 36,579.89 and 15,176.78

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Solution

The fourth proportional to 26,507.12, 36,579.89 and 15,176.78 is: 20,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,507.12 : 36,579.89 = 15,176.78 : x
  2. Step 2: Convert to fraction form
    26,507.12/36,579.89 = 15,176.78/x
  3. Step 3: Cross multiply
    26,507.12x = 36,579.89 × 15,176.78
  4. Step 4: Simplify right side
    26,507.12x = 555,164,935.17
  5. Step 5: Solve for x
    x = 555,164,935.17/26,507.12
  6. Step 6: Final answer
    x = 20,944.00

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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.