Home / 13,150.32-19,712.40-10,817.52

Finding the Fourth Proportional to 13,150.32, 19,712.40 and 10,817.52

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Solution

The fourth proportional to 13,150.32, 19,712.40 and 10,817.52 is: 16,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.32 : 19,712.40 = 10,817.52 : x
  2. Step 2: Convert to fraction form
    13,150.32/19,712.40 = 10,817.52/x
  3. Step 3: Cross multiply
    13,150.32x = 19,712.40 × 10,817.52
  4. Step 4: Simplify right side
    13,150.32x = 213,239,281.25
  5. Step 5: Solve for x
    x = 213,239,281.25/13,150.32
  6. Step 6: Final answer
    x = 16,215.52

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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.