Home / 19,685.54-29,542.15-17,803.36

Finding the Fourth Proportional to 19,685.54, 29,542.15 and 17,803.36

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Solution

The fourth proportional to 19,685.54, 29,542.15 and 17,803.36 is: 26,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.54 : 29,542.15 = 17,803.36 : x
  2. Step 2: Convert to fraction form
    19,685.54/29,542.15 = 17,803.36/x
  3. Step 3: Cross multiply
    19,685.54x = 29,542.15 × 17,803.36
  4. Step 4: Simplify right side
    19,685.54x = 525,949,424.63
  5. Step 5: Solve for x
    x = 525,949,424.63/19,685.54
  6. Step 6: Final answer
    x = 26,717.55

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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.