Home / 27,153.18-37,464.28-15,665.31

Finding the Fourth Proportional to 27,153.18, 37,464.28 and 15,665.31

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Solution

The fourth proportional to 27,153.18, 37,464.28 and 15,665.31 is: 21,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.18 : 37,464.28 = 15,665.31 : x
  2. Step 2: Convert to fraction form
    27,153.18/37,464.28 = 15,665.31/x
  3. Step 3: Cross multiply
    27,153.18x = 37,464.28 × 15,665.31
  4. Step 4: Simplify right side
    27,153.18x = 586,889,560.13
  5. Step 5: Solve for x
    x = 586,889,560.13/27,153.18
  6. Step 6: Final answer
    x = 21,614.03

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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.