Home / 22,473.60-31,000.20-14,520.51

Finding the Fourth Proportional to 22,473.60, 31,000.20 and 14,520.51

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Solution

The fourth proportional to 22,473.60, 31,000.20 and 14,520.51 is: 20,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473.60 : 31,000.20 = 14,520.51 : x
  2. Step 2: Convert to fraction form
    22,473.60/31,000.20 = 14,520.51/x
  3. Step 3: Cross multiply
    22,473.60x = 31,000.20 × 14,520.51
  4. Step 4: Simplify right side
    22,473.60x = 450,138,714.10
  5. Step 5: Solve for x
    x = 450,138,714.10/22,473.60
  6. Step 6: Final answer
    x = 20,029.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.