Home / 16,690.24-23,032.80-9,237.76

Finding the Fourth Proportional to 16,690.24, 23,032.80 and 9,237.76

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Solution

The fourth proportional to 16,690.24, 23,032.80 and 9,237.76 is: 12,748.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.24 : 23,032.80 = 9,237.76 : x
  2. Step 2: Convert to fraction form
    16,690.24/23,032.80 = 9,237.76/x
  3. Step 3: Cross multiply
    16,690.24x = 23,032.80 × 9,237.76
  4. Step 4: Simplify right side
    16,690.24x = 212,771,478.53
  5. Step 5: Solve for x
    x = 212,771,478.53/16,690.24
  6. Step 6: Final answer
    x = 12,748.26

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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.