Home / 19,663.25-29,498.51-17,880.63

Finding the Fourth Proportional to 19,663.25, 29,498.51 and 17,880.63

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Solution

The fourth proportional to 19,663.25, 29,498.51 and 17,880.63 is: 26,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.25 : 29,498.51 = 17,880.63 : x
  2. Step 2: Convert to fraction form
    19,663.25/29,498.51 = 17,880.63/x
  3. Step 3: Cross multiply
    19,663.25x = 29,498.51 × 17,880.63
  4. Step 4: Simplify right side
    19,663.25x = 527,451,853.46
  5. Step 5: Solve for x
    x = 527,451,853.46/19,663.25
  6. Step 6: Final answer
    x = 26,824.25

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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.