Home / 15,525.92-21,426.72-10,230.68

Finding the Fourth Proportional to 15,525.92, 21,426.72 and 10,230.68

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Solution

The fourth proportional to 15,525.92, 21,426.72 and 10,230.68 is: 14,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.92 : 21,426.72 = 10,230.68 : x
  2. Step 2: Convert to fraction form
    15,525.92/21,426.72 = 10,230.68/x
  3. Step 3: Cross multiply
    15,525.92x = 21,426.72 × 10,230.68
  4. Step 4: Simplify right side
    15,525.92x = 219,209,915.77
  5. Step 5: Solve for x
    x = 219,209,915.77/15,525.92
  6. Step 6: Final answer
    x = 14,118.96

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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.