Home / 22,569.03-31,156.11-15,027.93

Finding the Fourth Proportional to 22,569.03, 31,156.11 and 15,027.93

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Solution

The fourth proportional to 22,569.03, 31,156.11 and 15,027.93 is: 20,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.03 : 31,156.11 = 15,027.93 : x
  2. Step 2: Convert to fraction form
    22,569.03/31,156.11 = 15,027.93/x
  3. Step 3: Cross multiply
    22,569.03x = 31,156.11 × 15,027.93
  4. Step 4: Simplify right side
    22,569.03x = 468,211,840.15
  5. Step 5: Solve for x
    x = 468,211,840.15/22,569.03
  6. Step 6: Final answer
    x = 20,745.77

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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.