Home / 27,521.15-37,988.21-16,190.06

Finding the Fourth Proportional to 27,521.15, 37,988.21 and 16,190.06

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Solution

The fourth proportional to 27,521.15, 37,988.21 and 16,190.06 is: 22,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.15 : 37,988.21 = 16,190.06 : x
  2. Step 2: Convert to fraction form
    27,521.15/37,988.21 = 16,190.06/x
  3. Step 3: Cross multiply
    27,521.15x = 37,988.21 × 16,190.06
  4. Step 4: Simplify right side
    27,521.15x = 615,031,318.24
  5. Step 5: Solve for x
    x = 615,031,318.24/27,521.15
  6. Step 6: Final answer
    x = 22,347.59

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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.