Home / 20,797.48-31,208.50-10,937.52

Finding the Fourth Proportional to 20,797.48, 31,208.50 and 10,937.52

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Solution

The fourth proportional to 20,797.48, 31,208.50 and 10,937.52 is: 16,412.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.48 : 31,208.50 = 10,937.52 : x
  2. Step 2: Convert to fraction form
    20,797.48/31,208.50 = 10,937.52/x
  3. Step 3: Cross multiply
    20,797.48x = 31,208.50 × 10,937.52
  4. Step 4: Simplify right side
    20,797.48x = 341,343,592.92
  5. Step 5: Solve for x
    x = 341,343,592.92/20,797.48
  6. Step 6: Final answer
    x = 16,412.74

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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.