Home / 37,633.62-56,430.26-12,665.38

Finding the Fourth Proportional to 37,633.62, 56,430.26 and 12,665.38

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Solution

The fourth proportional to 37,633.62, 56,430.26 and 12,665.38 is: 18,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,633.62 : 56,430.26 = 12,665.38 : x
  2. Step 2: Convert to fraction form
    37,633.62/56,430.26 = 12,665.38/x
  3. Step 3: Cross multiply
    37,633.62x = 56,430.26 × 12,665.38
  4. Step 4: Simplify right side
    37,633.62x = 714,710,686.40
  5. Step 5: Solve for x
    x = 714,710,686.40/37,633.62
  6. Step 6: Final answer
    x = 18,991.28

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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.