Home / 36,568.10-54,852.15-12,870.06

Finding the Fourth Proportional to 36,568.10, 54,852.15 and 12,870.06

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Solution

The fourth proportional to 36,568.10, 54,852.15 and 12,870.06 is: 19,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,568.10 : 54,852.15 = 12,870.06 : x
  2. Step 2: Convert to fraction form
    36,568.10/54,852.15 = 12,870.06/x
  3. Step 3: Cross multiply
    36,568.10x = 54,852.15 × 12,870.06
  4. Step 4: Simplify right side
    36,568.10x = 705,950,397.28
  5. Step 5: Solve for x
    x = 705,950,397.28/36,568.10
  6. Step 6: Final answer
    x = 19,305.09

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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.