Home / 39,822.40-59,716.59-13,515.22

Finding the Fourth Proportional to 39,822.40, 59,716.59 and 13,515.22

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Solution

The fourth proportional to 39,822.40, 59,716.59 and 13,515.22 is: 20,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.40 : 59,716.59 = 13,515.22 : x
  2. Step 2: Convert to fraction form
    39,822.40/59,716.59 = 13,515.22/x
  3. Step 3: Cross multiply
    39,822.40x = 59,716.59 × 13,515.22
  4. Step 4: Simplify right side
    39,822.40x = 807,082,851.50
  5. Step 5: Solve for x
    x = 807,082,851.50/39,822.40
  6. Step 6: Final answer
    x = 20,267.06

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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.