Home / 19,065.47-28,598.21-5,214.47

Finding the Fourth Proportional to 19,065.47, 28,598.21 and 5,214.47

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Solution

The fourth proportional to 19,065.47, 28,598.21 and 5,214.47 is: 7,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.47 : 28,598.21 = 5,214.47 : x
  2. Step 2: Convert to fraction form
    19,065.47/28,598.21 = 5,214.47/x
  3. Step 3: Cross multiply
    19,065.47x = 28,598.21 × 5,214.47
  4. Step 4: Simplify right side
    19,065.47x = 149,124,339.04
  5. Step 5: Solve for x
    x = 149,124,339.04/19,065.47
  6. Step 6: Final answer
    x = 7,821.70

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Similar ratio
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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.