Home / 16,678.85-23,016.47-9,125.16

Finding the Fourth Proportional to 16,678.85, 23,016.47 and 9,125.16

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Solution

The fourth proportional to 16,678.85, 23,016.47 and 9,125.16 is: 12,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.85 : 23,016.47 = 9,125.16 : x
  2. Step 2: Convert to fraction form
    16,678.85/23,016.47 = 9,125.16/x
  3. Step 3: Cross multiply
    16,678.85x = 23,016.47 × 9,125.16
  4. Step 4: Simplify right side
    16,678.85x = 210,028,925.76
  5. Step 5: Solve for x
    x = 210,028,925.76/16,678.85
  6. Step 6: Final answer
    x = 12,592.53

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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.