Home / 35,112.48-52,683.36-15,405.20

Finding the Fourth Proportional to 35,112.48, 52,683.36 and 15,405.20

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Solution

The fourth proportional to 35,112.48, 52,683.36 and 15,405.20 is: 23,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.48 : 52,683.36 = 15,405.20 : x
  2. Step 2: Convert to fraction form
    35,112.48/52,683.36 = 15,405.20/x
  3. Step 3: Cross multiply
    35,112.48x = 52,683.36 × 15,405.20
  4. Step 4: Simplify right side
    35,112.48x = 811,597,697.47
  5. Step 5: Solve for x
    x = 811,597,697.47/35,112.48
  6. Step 6: Final answer
    x = 23,114.22

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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.