Home / 13,347.05-18,419.00-7,297.31

Finding the Fourth Proportional to 13,347.05, 18,419.00 and 7,297.31

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Solution

The fourth proportional to 13,347.05, 18,419.00 and 7,297.31 is: 10,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.05 : 18,419.00 = 7,297.31 : x
  2. Step 2: Convert to fraction form
    13,347.05/18,419.00 = 7,297.31/x
  3. Step 3: Cross multiply
    13,347.05x = 18,419.00 × 7,297.31
  4. Step 4: Simplify right side
    13,347.05x = 134,409,024.31
  5. Step 5: Solve for x
    x = 134,409,024.31/13,347.05
  6. Step 6: Final answer
    x = 10,070.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.