Home / 13,252.36-19,870.40-5,644.71

Finding the Fourth Proportional to 13,252.36, 19,870.40 and 5,644.71

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Solution

The fourth proportional to 13,252.36, 19,870.40 and 5,644.71 is: 8,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.36 : 19,870.40 = 5,644.71 : x
  2. Step 2: Convert to fraction form
    13,252.36/19,870.40 = 5,644.71/x
  3. Step 3: Cross multiply
    13,252.36x = 19,870.40 × 5,644.71
  4. Step 4: Simplify right side
    13,252.36x = 112,162,645.58
  5. Step 5: Solve for x
    x = 112,162,645.58/13,252.36
  6. Step 6: Final answer
    x = 8,463.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.