Home / 13,934.18-19,210.18-9,948.36

Finding the Fourth Proportional to 13,934.18, 19,210.18 and 9,948.36

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Solution

The fourth proportional to 13,934.18, 19,210.18 and 9,948.36 is: 13,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.18 : 19,210.18 = 9,948.36 : x
  2. Step 2: Convert to fraction form
    13,934.18/19,210.18 = 9,948.36/x
  3. Step 3: Cross multiply
    13,934.18x = 19,210.18 × 9,948.36
  4. Step 4: Simplify right side
    13,934.18x = 191,109,761.43
  5. Step 5: Solve for x
    x = 191,109,761.43/13,934.18
  6. Step 6: Final answer
    x = 13,715.18

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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.