Home / 19,819.16-27,330.02-13,848.64

Finding the Fourth Proportional to 19,819.16, 27,330.02 and 13,848.64

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Solution

The fourth proportional to 19,819.16, 27,330.02 and 13,848.64 is: 19,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.16 : 27,330.02 = 13,848.64 : x
  2. Step 2: Convert to fraction form
    19,819.16/27,330.02 = 13,848.64/x
  3. Step 3: Cross multiply
    19,819.16x = 27,330.02 × 13,848.64
  4. Step 4: Simplify right side
    19,819.16x = 378,483,608.17
  5. Step 5: Solve for x
    x = 378,483,608.17/19,819.16
  6. Step 6: Final answer
    x = 19,096.85

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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.