Home / 52,660.35-78,988.10-13,216.59

Finding the Fourth Proportional to 52,660.35, 78,988.10 and 13,216.59

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Solution

The fourth proportional to 52,660.35, 78,988.10 and 13,216.59 is: 19,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,660.35 : 78,988.10 = 13,216.59 : x
  2. Step 2: Convert to fraction form
    52,660.35/78,988.10 = 13,216.59/x
  3. Step 3: Cross multiply
    52,660.35x = 78,988.10 × 13,216.59
  4. Step 4: Simplify right side
    52,660.35x = 1,043,953,266.50
  5. Step 5: Solve for x
    x = 1,043,953,266.50/52,660.35
  6. Step 6: Final answer
    x = 19,824.28

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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.