Home / 13,254.84-19,884.66-5,459.40

Finding the Fourth Proportional to 13,254.84, 19,884.66 and 5,459.40

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Solution

The fourth proportional to 13,254.84, 19,884.66 and 5,459.40 is: 8,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.84 : 19,884.66 = 5,459.40 : x
  2. Step 2: Convert to fraction form
    13,254.84/19,884.66 = 5,459.40/x
  3. Step 3: Cross multiply
    13,254.84x = 19,884.66 × 5,459.40
  4. Step 4: Simplify right side
    13,254.84x = 108,558,312.80
  5. Step 5: Solve for x
    x = 108,558,312.80/13,254.84
  6. Step 6: Final answer
    x = 8,190.09

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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.