Home / 19,062.81-28,585.58-10,284.57

Finding the Fourth Proportional to 19,062.81, 28,585.58 and 10,284.57

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Solution

The fourth proportional to 19,062.81, 28,585.58 and 10,284.57 is: 15,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.81 : 28,585.58 = 10,284.57 : x
  2. Step 2: Convert to fraction form
    19,062.81/28,585.58 = 10,284.57/x
  3. Step 3: Cross multiply
    19,062.81x = 28,585.58 × 10,284.57
  4. Step 4: Simplify right side
    19,062.81x = 293,990,347.08
  5. Step 5: Solve for x
    x = 293,990,347.08/19,062.81
  6. Step 6: Final answer
    x = 15,422.19

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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.