Home / 26,438.10-39,623.55-13,294.02

Finding the Fourth Proportional to 26,438.10, 39,623.55 and 13,294.02

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Solution

The fourth proportional to 26,438.10, 39,623.55 and 13,294.02 is: 19,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.10 : 39,623.55 = 13,294.02 : x
  2. Step 2: Convert to fraction form
    26,438.10/39,623.55 = 13,294.02/x
  3. Step 3: Cross multiply
    26,438.10x = 39,623.55 × 13,294.02
  4. Step 4: Simplify right side
    26,438.10x = 526,756,266.17
  5. Step 5: Solve for x
    x = 526,756,266.17/26,438.10
  6. Step 6: Final answer
    x = 19,924.13

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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.