Home / 19,967.36-27,566.80-17,753.20

Finding the Fourth Proportional to 19,967.36, 27,566.80 and 17,753.20

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Solution

The fourth proportional to 19,967.36, 27,566.80 and 17,753.20 is: 24,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.36 : 27,566.80 = 17,753.20 : x
  2. Step 2: Convert to fraction form
    19,967.36/27,566.80 = 17,753.20/x
  3. Step 3: Cross multiply
    19,967.36x = 27,566.80 × 17,753.20
  4. Step 4: Simplify right side
    19,967.36x = 489,398,913.76
  5. Step 5: Solve for x
    x = 489,398,913.76/19,967.36
  6. Step 6: Final answer
    x = 24,509.95

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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.