Home / 37,023.72-55,535.64-12,399.72

Finding the Fourth Proportional to 37,023.72, 55,535.64 and 12,399.72

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Solution

The fourth proportional to 37,023.72, 55,535.64 and 12,399.72 is: 18,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,023.72 : 55,535.64 = 12,399.72 : x
  2. Step 2: Convert to fraction form
    37,023.72/55,535.64 = 12,399.72/x
  3. Step 3: Cross multiply
    37,023.72x = 55,535.64 × 12,399.72
  4. Step 4: Simplify right side
    37,023.72x = 688,626,386.02
  5. Step 5: Solve for x
    x = 688,626,386.02/37,023.72
  6. Step 6: Final answer
    x = 18,599.60

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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.