Home / 22,018.41-33,027.21-8,870.45

Finding the Fourth Proportional to 22,018.41, 33,027.21 and 8,870.45

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Solution

The fourth proportional to 22,018.41, 33,027.21 and 8,870.45 is: 13,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.41 : 33,027.21 = 8,870.45 : x
  2. Step 2: Convert to fraction form
    22,018.41/33,027.21 = 8,870.45/x
  3. Step 3: Cross multiply
    22,018.41x = 33,027.21 × 8,870.45
  4. Step 4: Simplify right side
    22,018.41x = 292,966,049.81
  5. Step 5: Solve for x
    x = 292,966,049.81/22,018.41
  6. Step 6: Final answer
    x = 13,305.50

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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.