Home / 13,948.14-19,248.58-7,574.79

Finding the Fourth Proportional to 13,948.14, 19,248.58 and 7,574.79

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Solution

The fourth proportional to 13,948.14, 19,248.58 and 7,574.79 is: 10,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.14 : 19,248.58 = 7,574.79 : x
  2. Step 2: Convert to fraction form
    13,948.14/19,248.58 = 7,574.79/x
  3. Step 3: Cross multiply
    13,948.14x = 19,248.58 × 7,574.79
  4. Step 4: Simplify right side
    13,948.14x = 145,803,951.30
  5. Step 5: Solve for x
    x = 145,803,951.30/13,948.14
  6. Step 6: Final answer
    x = 10,453.29

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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.