Home / 27,130.24-37,437.12-15,192.64

Finding the Fourth Proportional to 27,130.24, 37,437.12 and 15,192.64

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Solution

The fourth proportional to 27,130.24, 37,437.12 and 15,192.64 is: 20,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.24 : 37,437.12 = 15,192.64 : x
  2. Step 2: Convert to fraction form
    27,130.24/37,437.12 = 15,192.64/x
  3. Step 3: Cross multiply
    27,130.24x = 37,437.12 × 15,192.64
  4. Step 4: Simplify right side
    27,130.24x = 568,768,686.80
  5. Step 5: Solve for x
    x = 568,768,686.80/27,130.24
  6. Step 6: Final answer
    x = 20,964.38

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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.