Home / 37,618.19-56,409.59-13,909.35

Finding the Fourth Proportional to 37,618.19, 56,409.59 and 13,909.35

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Solution

The fourth proportional to 37,618.19, 56,409.59 and 13,909.35 is: 20,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.19 : 56,409.59 = 13,909.35 : x
  2. Step 2: Convert to fraction form
    37,618.19/56,409.59 = 13,909.35/x
  3. Step 3: Cross multiply
    37,618.19x = 56,409.59 × 13,909.35
  4. Step 4: Simplify right side
    37,618.19x = 784,620,765.44
  5. Step 5: Solve for x
    x = 784,620,765.44/37,618.19
  6. Step 6: Final answer
    x = 20,857.49

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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.