Home / 15,555.36-21,452.22-10,248.24

Finding the Fourth Proportional to 15,555.36, 21,452.22 and 10,248.24

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Solution

The fourth proportional to 15,555.36, 21,452.22 and 10,248.24 is: 14,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.36 : 21,452.22 = 10,248.24 : x
  2. Step 2: Convert to fraction form
    15,555.36/21,452.22 = 10,248.24/x
  3. Step 3: Cross multiply
    15,555.36x = 21,452.22 × 10,248.24
  4. Step 4: Simplify right side
    15,555.36x = 219,847,499.09
  5. Step 5: Solve for x
    x = 219,847,499.09/15,555.36
  6. Step 6: Final answer
    x = 14,133.23

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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.