Home / 13,934.17-19,228.21-7,646.95

Finding the Fourth Proportional to 13,934.17, 19,228.21 and 7,646.95

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Solution

The fourth proportional to 13,934.17, 19,228.21 and 7,646.95 is: 10,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.17 : 19,228.21 = 7,646.95 : x
  2. Step 2: Convert to fraction form
    13,934.17/19,228.21 = 7,646.95/x
  3. Step 3: Cross multiply
    13,934.17x = 19,228.21 × 7,646.95
  4. Step 4: Simplify right side
    13,934.17x = 147,037,160.46
  5. Step 5: Solve for x
    x = 147,037,160.46/13,934.17
  6. Step 6: Final answer
    x = 10,552.27

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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.