Home / 15,122.64-22,667.40-12,924.66

Finding the Fourth Proportional to 15,122.64, 22,667.40 and 12,924.66

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Solution

The fourth proportional to 15,122.64, 22,667.40 and 12,924.66 is: 19,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.64 : 22,667.40 = 12,924.66 : x
  2. Step 2: Convert to fraction form
    15,122.64/22,667.40 = 12,924.66/x
  3. Step 3: Cross multiply
    15,122.64x = 22,667.40 × 12,924.66
  4. Step 4: Simplify right side
    15,122.64x = 292,968,438.08
  5. Step 5: Solve for x
    x = 292,968,438.08/15,122.64
  6. Step 6: Final answer
    x = 19,372.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.