Home / 16,990.70-23,446.38-9,437.51

Finding the Fourth Proportional to 16,990.70, 23,446.38 and 9,437.51

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Solution

The fourth proportional to 16,990.70, 23,446.38 and 9,437.51 is: 13,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.70 : 23,446.38 = 9,437.51 : x
  2. Step 2: Convert to fraction form
    16,990.70/23,446.38 = 9,437.51/x
  3. Step 3: Cross multiply
    16,990.70x = 23,446.38 × 9,437.51
  4. Step 4: Simplify right side
    16,990.70x = 221,275,445.71
  5. Step 5: Solve for x
    x = 221,275,445.71/16,990.70
  6. Step 6: Final answer
    x = 13,023.33

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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.