Home / 14,798.97-20,423.19-8,511.34

Finding the Fourth Proportional to 14,798.97, 20,423.19 and 8,511.34

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Solution

The fourth proportional to 14,798.97, 20,423.19 and 8,511.34 is: 11,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.97 : 20,423.19 = 8,511.34 : x
  2. Step 2: Convert to fraction form
    14,798.97/20,423.19 = 8,511.34/x
  3. Step 3: Cross multiply
    14,798.97x = 20,423.19 × 8,511.34
  4. Step 4: Simplify right side
    14,798.97x = 173,828,713.97
  5. Step 5: Solve for x
    x = 173,828,713.97/14,798.97
  6. Step 6: Final answer
    x = 11,746.00

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Double scale
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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.