Home / 19,043.16-28,568.91-5,715.60

Finding the Fourth Proportional to 19,043.16, 28,568.91 and 5,715.60

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Solution

The fourth proportional to 19,043.16, 28,568.91 and 5,715.60 is: 8,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.16 : 28,568.91 = 5,715.60 : x
  2. Step 2: Convert to fraction form
    19,043.16/28,568.91 = 5,715.60/x
  3. Step 3: Cross multiply
    19,043.16x = 28,568.91 × 5,715.60
  4. Step 4: Simplify right side
    19,043.16x = 163,288,462.00
  5. Step 5: Solve for x
    x = 163,288,462.00/19,043.16
  6. Step 6: Final answer
    x = 8,574.65

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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.