Home / 16,957.95-23,401.38-9,787.77

Finding the Fourth Proportional to 16,957.95, 23,401.38 and 9,787.77

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Solution

The fourth proportional to 16,957.95, 23,401.38 and 9,787.77 is: 13,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.95 : 23,401.38 = 9,787.77 : x
  2. Step 2: Convert to fraction form
    16,957.95/23,401.38 = 9,787.77/x
  3. Step 3: Cross multiply
    16,957.95x = 23,401.38 × 9,787.77
  4. Step 4: Simplify right side
    16,957.95x = 229,047,325.12
  5. Step 5: Solve for x
    x = 229,047,325.12/16,957.95
  6. Step 6: Final answer
    x = 13,506.78

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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.