Home / 16,690.04-23,030.68-9,974.34

Finding the Fourth Proportional to 16,690.04, 23,030.68 and 9,974.34

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Solution

The fourth proportional to 16,690.04, 23,030.68 and 9,974.34 is: 13,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.04 : 23,030.68 = 9,974.34 : x
  2. Step 2: Convert to fraction form
    16,690.04/23,030.68 = 9,974.34/x
  3. Step 3: Cross multiply
    16,690.04x = 23,030.68 × 9,974.34
  4. Step 4: Simplify right side
    16,690.04x = 229,715,832.75
  5. Step 5: Solve for x
    x = 229,715,832.75/16,690.04
  6. Step 6: Final answer
    x = 13,763.65

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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.