Home / 27,734.61-38,274.05-15,159.36

Finding the Fourth Proportional to 27,734.61, 38,274.05 and 15,159.36

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Solution

The fourth proportional to 27,734.61, 38,274.05 and 15,159.36 is: 20,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.61 : 38,274.05 = 15,159.36 : x
  2. Step 2: Convert to fraction form
    27,734.61/38,274.05 = 15,159.36/x
  3. Step 3: Cross multiply
    27,734.61x = 38,274.05 × 15,159.36
  4. Step 4: Simplify right side
    27,734.61x = 580,210,102.61
  5. Step 5: Solve for x
    x = 580,210,102.61/27,734.61
  6. Step 6: Final answer
    x = 20,920.07

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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.