Home / 15,637.28-23,453.49-5,774.32

Finding the Fourth Proportional to 15,637.28, 23,453.49 and 5,774.32

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Solution

The fourth proportional to 15,637.28, 23,453.49 and 5,774.32 is: 8,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.28 : 23,453.49 = 5,774.32 : x
  2. Step 2: Convert to fraction form
    15,637.28/23,453.49 = 5,774.32/x
  3. Step 3: Cross multiply
    15,637.28x = 23,453.49 × 5,774.32
  4. Step 4: Simplify right side
    15,637.28x = 135,427,839.11
  5. Step 5: Solve for x
    x = 135,427,839.11/15,637.28
  6. Step 6: Final answer
    x = 8,660.58

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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.