Home / 16,886.42-23,306.16-9,816.98

Finding the Fourth Proportional to 16,886.42, 23,306.16 and 9,816.98

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Solution

The fourth proportional to 16,886.42, 23,306.16 and 9,816.98 is: 13,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.42 : 23,306.16 = 9,816.98 : x
  2. Step 2: Convert to fraction form
    16,886.42/23,306.16 = 9,816.98/x
  3. Step 3: Cross multiply
    16,886.42x = 23,306.16 × 9,816.98
  4. Step 4: Simplify right side
    16,886.42x = 228,796,106.60
  5. Step 5: Solve for x
    x = 228,796,106.60/16,886.42
  6. Step 6: Final answer
    x = 13,549.12

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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.