Home / 14,177.16-21,270.51-6,278.58

Finding the Fourth Proportional to 14,177.16, 21,270.51 and 6,278.58

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Solution

The fourth proportional to 14,177.16, 21,270.51 and 6,278.58 is: 9,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.16 : 21,270.51 = 6,278.58 : x
  2. Step 2: Convert to fraction form
    14,177.16/21,270.51 = 6,278.58/x
  3. Step 3: Cross multiply
    14,177.16x = 21,270.51 × 6,278.58
  4. Step 4: Simplify right side
    14,177.16x = 133,548,598.68
  5. Step 5: Solve for x
    x = 133,548,598.68/14,177.16
  6. Step 6: Final answer
    x = 9,419.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.