Home / 13,948.32-19,248.66-7,574.88

Finding the Fourth Proportional to 13,948.32, 19,248.66 and 7,574.88

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Solution

The fourth proportional to 13,948.32, 19,248.66 and 7,574.88 is: 10,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.32 : 19,248.66 = 7,574.88 : x
  2. Step 2: Convert to fraction form
    13,948.32/19,248.66 = 7,574.88/x
  3. Step 3: Cross multiply
    13,948.32x = 19,248.66 × 7,574.88
  4. Step 4: Simplify right side
    13,948.32x = 145,806,289.66
  5. Step 5: Solve for x
    x = 145,806,289.66/13,948.32
  6. Step 6: Final answer
    x = 10,453.32

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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.