Home / 37,412.20-56,117.10-12,453.40

Finding the Fourth Proportional to 37,412.20, 56,117.10 and 12,453.40

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Solution

The fourth proportional to 37,412.20, 56,117.10 and 12,453.40 is: 18,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.20 : 56,117.10 = 12,453.40 : x
  2. Step 2: Convert to fraction form
    37,412.20/56,117.10 = 12,453.40/x
  3. Step 3: Cross multiply
    37,412.20x = 56,117.10 × 12,453.40
  4. Step 4: Simplify right side
    37,412.20x = 698,848,693.14
  5. Step 5: Solve for x
    x = 698,848,693.14/37,412.20
  6. Step 6: Final answer
    x = 18,679.70

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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.