Home / 17,988.96-26,842.70-16,121.10

Finding the Fourth Proportional to 17,988.96, 26,842.70 and 16,121.10

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Solution

The fourth proportional to 17,988.96, 26,842.70 and 16,121.10 is: 24,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.96 : 26,842.70 = 16,121.10 : x
  2. Step 2: Convert to fraction form
    17,988.96/26,842.70 = 16,121.10/x
  3. Step 3: Cross multiply
    17,988.96x = 26,842.70 × 16,121.10
  4. Step 4: Simplify right side
    17,988.96x = 432,733,770.36
  5. Step 5: Solve for x
    x = 432,733,770.36/17,988.96
  6. Step 6: Final answer
    x = 24,055.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.