Home / 26,495.60-39,779.40-17,193.20

Finding the Fourth Proportional to 26,495.60, 39,779.40 and 17,193.20

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Solution

The fourth proportional to 26,495.60, 39,779.40 and 17,193.20 is: 25,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,495.60 : 39,779.40 = 17,193.20 : x
  2. Step 2: Convert to fraction form
    26,495.60/39,779.40 = 17,193.20/x
  3. Step 3: Cross multiply
    26,495.60x = 39,779.40 × 17,193.20
  4. Step 4: Simplify right side
    26,495.60x = 683,935,180.08
  5. Step 5: Solve for x
    x = 683,935,180.08/26,495.60
  6. Step 6: Final answer
    x = 25,813.16

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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.