Home / 60,018.16-90,027.28-15,644.80

Finding the Fourth Proportional to 60,018.16, 90,027.28 and 15,644.80

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Solution

The fourth proportional to 60,018.16, 90,027.28 and 15,644.80 is: 23,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.16 : 90,027.28 = 15,644.80 : x
  2. Step 2: Convert to fraction form
    60,018.16/90,027.28 = 15,644.80/x
  3. Step 3: Cross multiply
    60,018.16x = 90,027.28 × 15,644.80
  4. Step 4: Simplify right side
    60,018.16x = 1,408,458,790.14
  5. Step 5: Solve for x
    x = 1,408,458,790.14/60,018.16
  6. Step 6: Final answer
    x = 23,467.21

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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.