Home / 14,040.16-19,359.68-11,479.95

Finding the Fourth Proportional to 14,040.16, 19,359.68 and 11,479.95

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Solution

The fourth proportional to 14,040.16, 19,359.68 and 11,479.95 is: 15,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.16 : 19,359.68 = 11,479.95 : x
  2. Step 2: Convert to fraction form
    14,040.16/19,359.68 = 11,479.95/x
  3. Step 3: Cross multiply
    14,040.16x = 19,359.68 × 11,479.95
  4. Step 4: Simplify right side
    14,040.16x = 222,248,101.02
  5. Step 5: Solve for x
    x = 222,248,101.02/14,040.16
  6. Step 6: Final answer
    x = 15,829.46

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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.