Home / 19,335.21-28,944.45-17,487.20

Finding the Fourth Proportional to 19,335.21, 28,944.45 and 17,487.20

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Solution

The fourth proportional to 19,335.21, 28,944.45 and 17,487.20 is: 26,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.21 : 28,944.45 = 17,487.20 : x
  2. Step 2: Convert to fraction form
    19,335.21/28,944.45 = 17,487.20/x
  3. Step 3: Cross multiply
    19,335.21x = 28,944.45 × 17,487.20
  4. Step 4: Simplify right side
    19,335.21x = 506,157,241.32
  5. Step 5: Solve for x
    x = 506,157,241.32/19,335.21
  6. Step 6: Final answer
    x = 26,178.01

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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.