Home / 26,501.60-39,727.69-8,959.16

Finding the Fourth Proportional to 26,501.60, 39,727.69 and 8,959.16

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Solution

The fourth proportional to 26,501.60, 39,727.69 and 8,959.16 is: 13,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.60 : 39,727.69 = 8,959.16 : x
  2. Step 2: Convert to fraction form
    26,501.60/39,727.69 = 8,959.16/x
  3. Step 3: Cross multiply
    26,501.60x = 39,727.69 × 8,959.16
  4. Step 4: Simplify right side
    26,501.60x = 355,926,731.14
  5. Step 5: Solve for x
    x = 355,926,731.14/26,501.60
  6. Step 6: Final answer
    x = 13,430.39

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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.