Home / 27,555.46-38,026.56-14,980.21

Finding the Fourth Proportional to 27,555.46, 38,026.56 and 14,980.21

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Solution

The fourth proportional to 27,555.46, 38,026.56 and 14,980.21 is: 20,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.46 : 38,026.56 = 14,980.21 : x
  2. Step 2: Convert to fraction form
    27,555.46/38,026.56 = 14,980.21/x
  3. Step 3: Cross multiply
    27,555.46x = 38,026.56 × 14,980.21
  4. Step 4: Simplify right side
    27,555.46x = 569,645,815.49
  5. Step 5: Solve for x
    x = 569,645,815.49/27,555.46
  6. Step 6: Final answer
    x = 20,672.70

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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.