Home / 25,607.28-38,398.68-13,133.28

Finding the Fourth Proportional to 25,607.28, 38,398.68 and 13,133.28

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Solution

The fourth proportional to 25,607.28, 38,398.68 and 13,133.28 is: 19,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.28 : 38,398.68 = 13,133.28 : x
  2. Step 2: Convert to fraction form
    25,607.28/38,398.68 = 13,133.28/x
  3. Step 3: Cross multiply
    25,607.28x = 38,398.68 × 13,133.28
  4. Step 4: Simplify right side
    25,607.28x = 504,300,616.07
  5. Step 5: Solve for x
    x = 504,300,616.07/25,607.28
  6. Step 6: Final answer
    x = 19,693.64

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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.