Home / 15,513.14-23,271.39-4,980.71

Finding the Fourth Proportional to 15,513.14, 23,271.39 and 4,980.71

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Solution

The fourth proportional to 15,513.14, 23,271.39 and 4,980.71 is: 7,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.14 : 23,271.39 = 4,980.71 : x
  2. Step 2: Convert to fraction form
    15,513.14/23,271.39 = 4,980.71/x
  3. Step 3: Cross multiply
    15,513.14x = 23,271.39 × 4,980.71
  4. Step 4: Simplify right side
    15,513.14x = 115,907,928.53
  5. Step 5: Solve for x
    x = 115,907,928.53/15,513.14
  6. Step 6: Final answer
    x = 7,471.60

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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.