Home / 52,453.64-78,679.38-13,010.32

Finding the Fourth Proportional to 52,453.64, 78,679.38 and 13,010.32

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Solution

The fourth proportional to 52,453.64, 78,679.38 and 13,010.32 is: 19,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.64 : 78,679.38 = 13,010.32 : x
  2. Step 2: Convert to fraction form
    52,453.64/78,679.38 = 13,010.32/x
  3. Step 3: Cross multiply
    52,453.64x = 78,679.38 × 13,010.32
  4. Step 4: Simplify right side
    52,453.64x = 1,023,643,911.20
  5. Step 5: Solve for x
    x = 1,023,643,911.20/52,453.64
  6. Step 6: Final answer
    x = 19,515.21

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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.