Home / 22,296.54-30,746.26-15,579.72

Finding the Fourth Proportional to 22,296.54, 30,746.26 and 15,579.72

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Solution

The fourth proportional to 22,296.54, 30,746.26 and 15,579.72 is: 21,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.54 : 30,746.26 = 15,579.72 : x
  2. Step 2: Convert to fraction form
    22,296.54/30,746.26 = 15,579.72/x
  3. Step 3: Cross multiply
    22,296.54x = 30,746.26 × 15,579.72
  4. Step 4: Simplify right side
    22,296.54x = 479,018,141.32
  5. Step 5: Solve for x
    x = 479,018,141.32/22,296.54
  6. Step 6: Final answer
    x = 21,483.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.