Home / 14,112.42-19,483.11-9,642.66

Finding the Fourth Proportional to 14,112.42, 19,483.11 and 9,642.66

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Solution

The fourth proportional to 14,112.42, 19,483.11 and 9,642.66 is: 13,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.42 : 19,483.11 = 9,642.66 : x
  2. Step 2: Convert to fraction form
    14,112.42/19,483.11 = 9,642.66/x
  3. Step 3: Cross multiply
    14,112.42x = 19,483.11 × 9,642.66
  4. Step 4: Simplify right side
    14,112.42x = 187,869,005.47
  5. Step 5: Solve for x
    x = 187,869,005.47/14,112.42
  6. Step 6: Final answer
    x = 13,312.32

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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.