Home / 15,901.16-21,934.50-14,017.28

Finding the Fourth Proportional to 15,901.16, 21,934.50 and 14,017.28

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Solution

The fourth proportional to 15,901.16, 21,934.50 and 14,017.28 is: 19,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.16 : 21,934.50 = 14,017.28 : x
  2. Step 2: Convert to fraction form
    15,901.16/21,934.50 = 14,017.28/x
  3. Step 3: Cross multiply
    15,901.16x = 21,934.50 × 14,017.28
  4. Step 4: Simplify right side
    15,901.16x = 307,462,028.16
  5. Step 5: Solve for x
    x = 307,462,028.16/15,901.16
  6. Step 6: Final answer
    x = 19,335.82

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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.