Home / 17,888.48-24,684.84-9,930.56

Finding the Fourth Proportional to 17,888.48, 24,684.84 and 9,930.56

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Solution

The fourth proportional to 17,888.48, 24,684.84 and 9,930.56 is: 13,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.48 : 24,684.84 = 9,930.56 : x
  2. Step 2: Convert to fraction form
    17,888.48/24,684.84 = 9,930.56/x
  3. Step 3: Cross multiply
    17,888.48x = 24,684.84 × 9,930.56
  4. Step 4: Simplify right side
    17,888.48x = 245,134,284.71
  5. Step 5: Solve for x
    x = 245,134,284.71/17,888.48
  6. Step 6: Final answer
    x = 13,703.47

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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.