Home / 14,151.26-19,530.45-8,184.40

Finding the Fourth Proportional to 14,151.26, 19,530.45 and 8,184.40

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Solution

The fourth proportional to 14,151.26, 19,530.45 and 8,184.40 is: 11,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.26 : 19,530.45 = 8,184.40 : x
  2. Step 2: Convert to fraction form
    14,151.26/19,530.45 = 8,184.40/x
  3. Step 3: Cross multiply
    14,151.26x = 19,530.45 × 8,184.40
  4. Step 4: Simplify right side
    14,151.26x = 159,844,876.41
  5. Step 5: Solve for x
    x = 159,844,876.41/14,151.26
  6. Step 6: Final answer
    x = 11,295.45

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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.