Home / 37,649.11-56,470.59-12,688.60

Finding the Fourth Proportional to 37,649.11, 56,470.59 and 12,688.60

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Solution

The fourth proportional to 37,649.11, 56,470.59 and 12,688.60 is: 19,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.11 : 56,470.59 = 12,688.60 : x
  2. Step 2: Convert to fraction form
    37,649.11/56,470.59 = 12,688.60/x
  3. Step 3: Cross multiply
    37,649.11x = 56,470.59 × 12,688.60
  4. Step 4: Simplify right side
    37,649.11x = 716,532,728.27
  5. Step 5: Solve for x
    x = 716,532,728.27/37,649.11
  6. Step 6: Final answer
    x = 19,031.86

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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.