Home / 26,935.47-40,398.29-13,605.33

Finding the Fourth Proportional to 26,935.47, 40,398.29 and 13,605.33

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Solution

The fourth proportional to 26,935.47, 40,398.29 and 13,605.33 is: 20,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,935.47 : 40,398.29 = 13,605.33 : x
  2. Step 2: Convert to fraction form
    26,935.47/40,398.29 = 13,605.33/x
  3. Step 3: Cross multiply
    26,935.47x = 40,398.29 × 13,605.33
  4. Step 4: Simplify right side
    26,935.47x = 549,632,277.90
  5. Step 5: Solve for x
    x = 549,632,277.90/26,935.47
  6. Step 6: Final answer
    x = 20,405.52

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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.