Home / 12,933.12-19,352.28-10,587.36

Finding the Fourth Proportional to 12,933.12, 19,352.28 and 10,587.36

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Solution

The fourth proportional to 12,933.12, 19,352.28 and 10,587.36 is: 15,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.12 : 19,352.28 = 10,587.36 : x
  2. Step 2: Convert to fraction form
    12,933.12/19,352.28 = 10,587.36/x
  3. Step 3: Cross multiply
    12,933.12x = 19,352.28 × 10,587.36
  4. Step 4: Simplify right side
    12,933.12x = 204,889,555.18
  5. Step 5: Solve for x
    x = 204,889,555.18/12,933.12
  6. Step 6: Final answer
    x = 15,842.24

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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.