Home / 15,595.34-21,521.54-8,425.25

Finding the Fourth Proportional to 15,595.34, 21,521.54 and 8,425.25

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Solution

The fourth proportional to 15,595.34, 21,521.54 and 8,425.25 is: 11,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,595.34 : 21,521.54 = 8,425.25 : x
  2. Step 2: Convert to fraction form
    15,595.34/21,521.54 = 8,425.25/x
  3. Step 3: Cross multiply
    15,595.34x = 21,521.54 × 8,425.25
  4. Step 4: Simplify right side
    15,595.34x = 181,324,205.15
  5. Step 5: Solve for x
    x = 181,324,205.15/15,595.34
  6. Step 6: Final answer
    x = 11,626.82

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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.