Home / 22,621.72-31,211.64-17,826.80

Finding the Fourth Proportional to 22,621.72, 31,211.64 and 17,826.80

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Solution

The fourth proportional to 22,621.72, 31,211.64 and 17,826.80 is: 24,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.72 : 31,211.64 = 17,826.80 : x
  2. Step 2: Convert to fraction form
    22,621.72/31,211.64 = 17,826.80/x
  3. Step 3: Cross multiply
    22,621.72x = 31,211.64 × 17,826.80
  4. Step 4: Simplify right side
    22,621.72x = 556,403,663.95
  5. Step 5: Solve for x
    x = 556,403,663.95/22,621.72
  6. Step 6: Final answer
    x = 24,595.99

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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.