Home / 36,545.72-54,784.62-12,840.26

Finding the Fourth Proportional to 36,545.72, 54,784.62 and 12,840.26

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Solution

The fourth proportional to 36,545.72, 54,784.62 and 12,840.26 is: 19,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.72 : 54,784.62 = 12,840.26 : x
  2. Step 2: Convert to fraction form
    36,545.72/54,784.62 = 12,840.26/x
  3. Step 3: Cross multiply
    36,545.72x = 54,784.62 × 12,840.26
  4. Step 4: Simplify right side
    36,545.72x = 703,448,490.88
  5. Step 5: Solve for x
    x = 703,448,490.88/36,545.72
  6. Step 6: Final answer
    x = 19,248.45

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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.