Home / 22,130.80-30,435.88-17,601.28

Finding the Fourth Proportional to 22,130.80, 30,435.88 and 17,601.28

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Solution

The fourth proportional to 22,130.80, 30,435.88 and 17,601.28 is: 24,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.80 : 30,435.88 = 17,601.28 : x
  2. Step 2: Convert to fraction form
    22,130.80/30,435.88 = 17,601.28/x
  3. Step 3: Cross multiply
    22,130.80x = 30,435.88 × 17,601.28
  4. Step 4: Simplify right side
    22,130.80x = 535,710,445.93
  5. Step 5: Solve for x
    x = 535,710,445.93/22,130.80
  6. Step 6: Final answer
    x = 24,206.56

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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.