Home / 14,017.01-19,338.08-8,980.43

Finding the Fourth Proportional to 14,017.01, 19,338.08 and 8,980.43

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Solution

The fourth proportional to 14,017.01, 19,338.08 and 8,980.43 is: 12,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.01 : 19,338.08 = 8,980.43 : x
  2. Step 2: Convert to fraction form
    14,017.01/19,338.08 = 8,980.43/x
  3. Step 3: Cross multiply
    14,017.01x = 19,338.08 × 8,980.43
  4. Step 4: Simplify right side
    14,017.01x = 173,664,132.18
  5. Step 5: Solve for x
    x = 173,664,132.18/14,017.01
  6. Step 6: Final answer
    x = 12,389.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.