Home / 26,315.76-39,135.19-25,485.17

Finding the Fourth Proportional to 26,315.76, 39,135.19 and 25,485.17

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Solution

The fourth proportional to 26,315.76, 39,135.19 and 25,485.17 is: 37,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.76 : 39,135.19 = 25,485.17 : x
  2. Step 2: Convert to fraction form
    26,315.76/39,135.19 = 25,485.17/x
  3. Step 3: Cross multiply
    26,315.76x = 39,135.19 × 25,485.17
  4. Step 4: Simplify right side
    26,315.76x = 997,367,004.26
  5. Step 5: Solve for x
    x = 997,367,004.26/26,315.76
  6. Step 6: Final answer
    x = 37,899.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.