Home / 26,557.41-39,860.75-13,419.01

Finding the Fourth Proportional to 26,557.41, 39,860.75 and 13,419.01

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Solution

The fourth proportional to 26,557.41, 39,860.75 and 13,419.01 is: 20,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.41 : 39,860.75 = 13,419.01 : x
  2. Step 2: Convert to fraction form
    26,557.41/39,860.75 = 13,419.01/x
  3. Step 3: Cross multiply
    26,557.41x = 39,860.75 × 13,419.01
  4. Step 4: Simplify right side
    26,557.41x = 534,891,802.86
  5. Step 5: Solve for x
    x = 534,891,802.86/26,557.41
  6. Step 6: Final answer
    x = 20,140.96

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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.