Home / 26,599.40-39,899.10-15,518.60

Finding the Fourth Proportional to 26,599.40, 39,899.10 and 15,518.60

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Solution

The fourth proportional to 26,599.40, 39,899.10 and 15,518.60 is: 23,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,599.40 : 39,899.10 = 15,518.60 : x
  2. Step 2: Convert to fraction form
    26,599.40/39,899.10 = 15,518.60/x
  3. Step 3: Cross multiply
    26,599.40x = 39,899.10 × 15,518.60
  4. Step 4: Simplify right side
    26,599.40x = 619,178,173.26
  5. Step 5: Solve for x
    x = 619,178,173.26/26,599.40
  6. Step 6: Final answer
    x = 23,277.90

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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.