Home / 27,115.63-40,666.12-10,472.56

Finding the Fourth Proportional to 27,115.63, 40,666.12 and 10,472.56

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Solution

The fourth proportional to 27,115.63, 40,666.12 and 10,472.56 is: 15,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.63 : 40,666.12 = 10,472.56 : x
  2. Step 2: Convert to fraction form
    27,115.63/40,666.12 = 10,472.56/x
  3. Step 3: Cross multiply
    27,115.63x = 40,666.12 × 10,472.56
  4. Step 4: Simplify right side
    27,115.63x = 425,878,253.82
  5. Step 5: Solve for x
    x = 425,878,253.82/27,115.63
  6. Step 6: Final answer
    x = 15,706.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.