Home / 13,276.36-19,895.10-8,069.68

Finding the Fourth Proportional to 13,276.36, 19,895.10 and 8,069.68

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Solution

The fourth proportional to 13,276.36, 19,895.10 and 8,069.68 is: 12,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.36 : 19,895.10 = 8,069.68 : x
  2. Step 2: Convert to fraction form
    13,276.36/19,895.10 = 8,069.68/x
  3. Step 3: Cross multiply
    13,276.36x = 19,895.10 × 8,069.68
  4. Step 4: Simplify right side
    13,276.36x = 160,547,090.57
  5. Step 5: Solve for x
    x = 160,547,090.57/13,276.36
  6. Step 6: Final answer
    x = 12,092.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.