Home / 19,120.29-28,674.95-9,754.46

Finding the Fourth Proportional to 19,120.29, 28,674.95 and 9,754.46

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Solution

The fourth proportional to 19,120.29, 28,674.95 and 9,754.46 is: 14,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.29 : 28,674.95 = 9,754.46 : x
  2. Step 2: Convert to fraction form
    19,120.29/28,674.95 = 9,754.46/x
  3. Step 3: Cross multiply
    19,120.29x = 28,674.95 × 9,754.46
  4. Step 4: Simplify right side
    19,120.29x = 279,708,568.16
  5. Step 5: Solve for x
    x = 279,708,568.16/19,120.29
  6. Step 6: Final answer
    x = 14,628.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.