Home / 27,952.11-38,574.50-15,376.86

Finding the Fourth Proportional to 27,952.11, 38,574.50 and 15,376.86

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Solution

The fourth proportional to 27,952.11, 38,574.50 and 15,376.86 is: 21,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.11 : 38,574.50 = 15,376.86 : x
  2. Step 2: Convert to fraction form
    27,952.11/38,574.50 = 15,376.86/x
  3. Step 3: Cross multiply
    27,952.11x = 38,574.50 × 15,376.86
  4. Step 4: Simplify right side
    27,952.11x = 593,154,686.07
  5. Step 5: Solve for x
    x = 593,154,686.07/27,952.11
  6. Step 6: Final answer
    x = 21,220.39

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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.