Home / 16,808.72-23,186.39-10,432.40

Finding the Fourth Proportional to 16,808.72, 23,186.39 and 10,432.40

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Solution

The fourth proportional to 16,808.72, 23,186.39 and 10,432.40 is: 14,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.72 : 23,186.39 = 10,432.40 : x
  2. Step 2: Convert to fraction form
    16,808.72/23,186.39 = 10,432.40/x
  3. Step 3: Cross multiply
    16,808.72x = 23,186.39 × 10,432.40
  4. Step 4: Simplify right side
    16,808.72x = 241,889,526.94
  5. Step 5: Solve for x
    x = 241,889,526.94/16,808.72
  6. Step 6: Final answer
    x = 14,390.72

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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.