Home / 20,461.74-28,114.86-16,262.70

Finding the Fourth Proportional to 20,461.74, 28,114.86 and 16,262.70

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Solution

The fourth proportional to 20,461.74, 28,114.86 and 16,262.70 is: 22,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.74 : 28,114.86 = 16,262.70 : x
  2. Step 2: Convert to fraction form
    20,461.74/28,114.86 = 16,262.70/x
  3. Step 3: Cross multiply
    20,461.74x = 28,114.86 × 16,262.70
  4. Step 4: Simplify right side
    20,461.74x = 457,223,533.72
  5. Step 5: Solve for x
    x = 457,223,533.72/20,461.74
  6. Step 6: Final answer
    x = 22,345.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.