Home / 14,480.16-19,981.65-8,192.13

Finding the Fourth Proportional to 14,480.16, 19,981.65 and 8,192.13

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Solution

The fourth proportional to 14,480.16, 19,981.65 and 8,192.13 is: 11,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.16 : 19,981.65 = 8,192.13 : x
  2. Step 2: Convert to fraction form
    14,480.16/19,981.65 = 8,192.13/x
  3. Step 3: Cross multiply
    14,480.16x = 19,981.65 × 8,192.13
  4. Step 4: Simplify right side
    14,480.16x = 163,692,274.41
  5. Step 5: Solve for x
    x = 163,692,274.41/14,480.16
  6. Step 6: Final answer
    x = 11,304.59

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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.