Home / 18,898.20-26,079.48-10,514.70

Finding the Fourth Proportional to 18,898.20, 26,079.48 and 10,514.70

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Solution

The fourth proportional to 18,898.20, 26,079.48 and 10,514.70 is: 14,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.20 : 26,079.48 = 10,514.70 : x
  2. Step 2: Convert to fraction form
    18,898.20/26,079.48 = 10,514.70/x
  3. Step 3: Cross multiply
    18,898.20x = 26,079.48 × 10,514.70
  4. Step 4: Simplify right side
    18,898.20x = 274,217,908.36
  5. Step 5: Solve for x
    x = 274,217,908.36/18,898.20
  6. Step 6: Final answer
    x = 14,510.27

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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.