Home / 28,166.08-38,863.36-19,094.64

Finding the Fourth Proportional to 28,166.08, 38,863.36 and 19,094.64

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Solution

The fourth proportional to 28,166.08, 38,863.36 and 19,094.64 is: 26,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.08 : 38,863.36 = 19,094.64 : x
  2. Step 2: Convert to fraction form
    28,166.08/38,863.36 = 19,094.64/x
  3. Step 3: Cross multiply
    28,166.08x = 38,863.36 × 19,094.64
  4. Step 4: Simplify right side
    28,166.08x = 742,081,868.39
  5. Step 5: Solve for x
    x = 742,081,868.39/28,166.08
  6. Step 6: Final answer
    x = 26,346.65

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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.