Home / 16,989.10-23,440.35-9,536.94

Finding the Fourth Proportional to 16,989.10, 23,440.35 and 9,536.94

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Solution

The fourth proportional to 16,989.10, 23,440.35 and 9,536.94 is: 13,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.10 : 23,440.35 = 9,536.94 : x
  2. Step 2: Convert to fraction form
    16,989.10/23,440.35 = 9,536.94/x
  3. Step 3: Cross multiply
    16,989.10x = 23,440.35 × 9,536.94
  4. Step 4: Simplify right side
    16,989.10x = 223,549,211.53
  5. Step 5: Solve for x
    x = 223,549,211.53/16,989.10
  6. Step 6: Final answer
    x = 13,158.39

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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.