Home / 15,574.53-21,484.68-10,540.46

Finding the Fourth Proportional to 15,574.53, 21,484.68 and 10,540.46

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Solution

The fourth proportional to 15,574.53, 21,484.68 and 10,540.46 is: 14,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.53 : 21,484.68 = 10,540.46 : x
  2. Step 2: Convert to fraction form
    15,574.53/21,484.68 = 10,540.46/x
  3. Step 3: Cross multiply
    15,574.53x = 21,484.68 × 10,540.46
  4. Step 4: Simplify right side
    15,574.53x = 226,458,302.73
  5. Step 5: Solve for x
    x = 226,458,302.73/15,574.53
  6. Step 6: Final answer
    x = 14,540.30

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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.