Home / 16,987.10-23,442.43-9,433.92

Finding the Fourth Proportional to 16,987.10, 23,442.43 and 9,433.92

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Solution

The fourth proportional to 16,987.10, 23,442.43 and 9,433.92 is: 13,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.10 : 23,442.43 = 9,433.92 : x
  2. Step 2: Convert to fraction form
    16,987.10/23,442.43 = 9,433.92/x
  3. Step 3: Cross multiply
    16,987.10x = 23,442.43 × 9,433.92
  4. Step 4: Simplify right side
    16,987.10x = 221,154,009.23
  5. Step 5: Solve for x
    x = 221,154,009.23/16,987.10
  6. Step 6: Final answer
    x = 13,018.94

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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.