Home / 16,943.86-23,381.90-9,774.08

Finding the Fourth Proportional to 16,943.86, 23,381.90 and 9,774.08

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Solution

The fourth proportional to 16,943.86, 23,381.90 and 9,774.08 is: 13,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.86 : 23,381.90 = 9,774.08 : x
  2. Step 2: Convert to fraction form
    16,943.86/23,381.90 = 9,774.08/x
  3. Step 3: Cross multiply
    16,943.86x = 23,381.90 × 9,774.08
  4. Step 4: Simplify right side
    16,943.86x = 228,536,395.37
  5. Step 5: Solve for x
    x = 228,536,395.37/16,943.86
  6. Step 6: Final answer
    x = 13,487.86

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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.