Home / 16,686.23-23,024.73-9,970.44

Finding the Fourth Proportional to 16,686.23, 23,024.73 and 9,970.44

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Solution

The fourth proportional to 16,686.23, 23,024.73 and 9,970.44 is: 13,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.23 : 23,024.73 = 9,970.44 : x
  2. Step 2: Convert to fraction form
    16,686.23/23,024.73 = 9,970.44/x
  3. Step 3: Cross multiply
    16,686.23x = 23,024.73 × 9,970.44
  4. Step 4: Simplify right side
    16,686.23x = 229,566,688.98
  5. Step 5: Solve for x
    x = 229,566,688.98/16,686.23
  6. Step 6: Final answer
    x = 13,757.85

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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.