Home / 16,886.34-23,303.30-9,332.55

Finding the Fourth Proportional to 16,886.34, 23,303.30 and 9,332.55

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Solution

The fourth proportional to 16,886.34, 23,303.30 and 9,332.55 is: 12,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.34 : 23,303.30 = 9,332.55 : x
  2. Step 2: Convert to fraction form
    16,886.34/23,303.30 = 9,332.55/x
  3. Step 3: Cross multiply
    16,886.34x = 23,303.30 × 9,332.55
  4. Step 4: Simplify right side
    16,886.34x = 217,479,165.75
  5. Step 5: Solve for x
    x = 217,479,165.75/16,886.34
  6. Step 6: Final answer
    x = 12,879.00

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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.