Home / 14,862.76-20,510.61-8,148.24

Finding the Fourth Proportional to 14,862.76, 20,510.61 and 8,148.24

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Solution

The fourth proportional to 14,862.76, 20,510.61 and 8,148.24 is: 11,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.76 : 20,510.61 = 8,148.24 : x
  2. Step 2: Convert to fraction form
    14,862.76/20,510.61 = 8,148.24/x
  3. Step 3: Cross multiply
    14,862.76x = 20,510.61 × 8,148.24
  4. Step 4: Simplify right side
    14,862.76x = 167,125,409.00
  5. Step 5: Solve for x
    x = 167,125,409.00/14,862.76
  6. Step 6: Final answer
    x = 11,244.57

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Half scale
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Double scale
Find fourth proportional to 14,863.76, 20,511.98 and 8,149.24
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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.