Home / 14,129.26-19,498.28-7,841.64

Finding the Fourth Proportional to 14,129.26, 19,498.28 and 7,841.64

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Solution

The fourth proportional to 14,129.26, 19,498.28 and 7,841.64 is: 10,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.26 : 19,498.28 = 7,841.64 : x
  2. Step 2: Convert to fraction form
    14,129.26/19,498.28 = 7,841.64/x
  3. Step 3: Cross multiply
    14,129.26x = 19,498.28 × 7,841.64
  4. Step 4: Simplify right side
    14,129.26x = 152,898,492.38
  5. Step 5: Solve for x
    x = 152,898,492.38/14,129.26
  6. Step 6: Final answer
    x = 10,821.41

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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.