Home / 22,117.65-33,209.75-19,031.28

Finding the Fourth Proportional to 22,117.65, 33,209.75 and 19,031.28

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Solution

The fourth proportional to 22,117.65, 33,209.75 and 19,031.28 is: 28,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.65 : 33,209.75 = 19,031.28 : x
  2. Step 2: Convert to fraction form
    22,117.65/33,209.75 = 19,031.28/x
  3. Step 3: Cross multiply
    22,117.65x = 33,209.75 × 19,031.28
  4. Step 4: Simplify right side
    22,117.65x = 632,024,050.98
  5. Step 5: Solve for x
    x = 632,024,050.98/22,117.65
  6. Step 6: Final answer
    x = 28,575.55

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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.