Home / 15,612.67-21,554.40-10,322.83

Finding the Fourth Proportional to 15,612.67, 21,554.40 and 10,322.83

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Solution

The fourth proportional to 15,612.67, 21,554.40 and 10,322.83 is: 14,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.67 : 21,554.40 = 10,322.83 : x
  2. Step 2: Convert to fraction form
    15,612.67/21,554.40 = 10,322.83/x
  3. Step 3: Cross multiply
    15,612.67x = 21,554.40 × 10,322.83
  4. Step 4: Simplify right side
    15,612.67x = 222,502,406.95
  5. Step 5: Solve for x
    x = 222,502,406.95/15,612.67
  6. Step 6: Final answer
    x = 14,251.40

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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.