Home / 14,827.39-20,478.60-10,103.47

Finding the Fourth Proportional to 14,827.39, 20,478.60 and 10,103.47

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Solution

The fourth proportional to 14,827.39, 20,478.60 and 10,103.47 is: 13,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.39 : 20,478.60 = 10,103.47 : x
  2. Step 2: Convert to fraction form
    14,827.39/20,478.60 = 10,103.47/x
  3. Step 3: Cross multiply
    14,827.39x = 20,478.60 × 10,103.47
  4. Step 4: Simplify right side
    14,827.39x = 206,904,870.22
  5. Step 5: Solve for x
    x = 206,904,870.22/14,827.39
  6. Step 6: Final answer
    x = 13,954.23

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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.