Home / 19,018.16-28,486.60-15,444.17

Finding the Fourth Proportional to 19,018.16, 28,486.60 and 15,444.17

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Solution

The fourth proportional to 19,018.16, 28,486.60 and 15,444.17 is: 23,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.16 : 28,486.60 = 15,444.17 : x
  2. Step 2: Convert to fraction form
    19,018.16/28,486.60 = 15,444.17/x
  3. Step 3: Cross multiply
    19,018.16x = 28,486.60 × 15,444.17
  4. Step 4: Simplify right side
    19,018.16x = 439,951,893.12
  5. Step 5: Solve for x
    x = 439,951,893.12/19,018.16
  6. Step 6: Final answer
    x = 23,133.25

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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.