Home / 15,746.72-23,603.40-5,214.02

Finding the Fourth Proportional to 15,746.72, 23,603.40 and 5,214.02

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Solution

The fourth proportional to 15,746.72, 23,603.40 and 5,214.02 is: 7,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.72 : 23,603.40 = 5,214.02 : x
  2. Step 2: Convert to fraction form
    15,746.72/23,603.40 = 5,214.02/x
  3. Step 3: Cross multiply
    15,746.72x = 23,603.40 × 5,214.02
  4. Step 4: Simplify right side
    15,746.72x = 123,068,481.65
  5. Step 5: Solve for x
    x = 123,068,481.65/15,746.72
  6. Step 6: Final answer
    x = 7,815.50

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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.