Home / 26,130.29-39,168.61-10,328.90

Finding the Fourth Proportional to 26,130.29, 39,168.61 and 10,328.90

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Solution

The fourth proportional to 26,130.29, 39,168.61 and 10,328.90 is: 15,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,130.29 : 39,168.61 = 10,328.90 : x
  2. Step 2: Convert to fraction form
    26,130.29/39,168.61 = 10,328.90/x
  3. Step 3: Cross multiply
    26,130.29x = 39,168.61 × 10,328.90
  4. Step 4: Simplify right side
    26,130.29x = 404,568,434.16
  5. Step 5: Solve for x
    x = 404,568,434.16/26,130.29
  6. Step 6: Final answer
    x = 15,482.74

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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.