Home / 19,061.36-26,281.80-16,404.20

Finding the Fourth Proportional to 19,061.36, 26,281.80 and 16,404.20

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Solution

The fourth proportional to 19,061.36, 26,281.80 and 16,404.20 is: 22,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.36 : 26,281.80 = 16,404.20 : x
  2. Step 2: Convert to fraction form
    19,061.36/26,281.80 = 16,404.20/x
  3. Step 3: Cross multiply
    19,061.36x = 26,281.80 × 16,404.20
  4. Step 4: Simplify right side
    19,061.36x = 431,131,903.56
  5. Step 5: Solve for x
    x = 431,131,903.56/19,061.36
  6. Step 6: Final answer
    x = 22,618.11

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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.