Home / 16,860.48-23,267.52-9,787.20

Finding the Fourth Proportional to 16,860.48, 23,267.52 and 9,787.20

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Solution

The fourth proportional to 16,860.48, 23,267.52 and 9,787.20 is: 13,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.48 : 23,267.52 = 9,787.20 : x
  2. Step 2: Convert to fraction form
    16,860.48/23,267.52 = 9,787.20/x
  3. Step 3: Cross multiply
    16,860.48x = 23,267.52 × 9,787.20
  4. Step 4: Simplify right side
    16,860.48x = 227,723,871.74
  5. Step 5: Solve for x
    x = 227,723,871.74/16,860.48
  6. Step 6: Final answer
    x = 13,506.37

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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.