Home / 22,661.03-31,276.70-14,479.40

Finding the Fourth Proportional to 22,661.03, 31,276.70 and 14,479.40

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Solution

The fourth proportional to 22,661.03, 31,276.70 and 14,479.40 is: 19,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.03 : 31,276.70 = 14,479.40 : x
  2. Step 2: Convert to fraction form
    22,661.03/31,276.70 = 14,479.40/x
  3. Step 3: Cross multiply
    22,661.03x = 31,276.70 × 14,479.40
  4. Step 4: Simplify right side
    22,661.03x = 452,867,621.20
  5. Step 5: Solve for x
    x = 452,867,621.20/22,661.03
  6. Step 6: Final answer
    x = 19,984.43

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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.