Home / 13,079.95-17,808.85-13,038.43

Finding the Fourth Proportional to 13,079.95, 17,808.85 and 13,038.43

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Solution

The fourth proportional to 13,079.95, 17,808.85 and 13,038.43 is: 17,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.95 : 17,808.85 = 13,038.43 : x
  2. Step 2: Convert to fraction form
    13,079.95/17,808.85 = 13,038.43/x
  3. Step 3: Cross multiply
    13,079.95x = 17,808.85 × 13,038.43
  4. Step 4: Simplify right side
    13,079.95x = 232,199,433.77
  5. Step 5: Solve for x
    x = 232,199,433.77/13,079.95
  6. Step 6: Final answer
    x = 17,752.32

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.