Home / 27,140.80-37,454.08-15,204.22

Finding the Fourth Proportional to 27,140.80, 37,454.08 and 15,204.22

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Solution

The fourth proportional to 27,140.80, 37,454.08 and 15,204.22 is: 20,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.80 : 37,454.08 = 15,204.22 : x
  2. Step 2: Convert to fraction form
    27,140.80/37,454.08 = 15,204.22/x
  3. Step 3: Cross multiply
    27,140.80x = 37,454.08 × 15,204.22
  4. Step 4: Simplify right side
    27,140.80x = 569,460,072.22
  5. Step 5: Solve for x
    x = 569,460,072.22/27,140.80
  6. Step 6: Final answer
    x = 20,981.70

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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.