Home / 14,126.98-19,495.05-7,839.22

Finding the Fourth Proportional to 14,126.98, 19,495.05 and 7,839.22

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Solution

The fourth proportional to 14,126.98, 19,495.05 and 7,839.22 is: 10,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.98 : 19,495.05 = 7,839.22 : x
  2. Step 2: Convert to fraction form
    14,126.98/19,495.05 = 7,839.22/x
  3. Step 3: Cross multiply
    14,126.98x = 19,495.05 × 7,839.22
  4. Step 4: Simplify right side
    14,126.98x = 152,825,985.86
  5. Step 5: Solve for x
    x = 152,825,985.86/14,126.98
  6. Step 6: Final answer
    x = 10,818.02

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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.