Home / 17,008.49-25,387.89-15,756.01

Finding the Fourth Proportional to 17,008.49, 25,387.89 and 15,756.01

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Solution

The fourth proportional to 17,008.49, 25,387.89 and 15,756.01 is: 23,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.49 : 25,387.89 = 15,756.01 : x
  2. Step 2: Convert to fraction form
    17,008.49/25,387.89 = 15,756.01/x
  3. Step 3: Cross multiply
    17,008.49x = 25,387.89 × 15,756.01
  4. Step 4: Simplify right side
    17,008.49x = 400,011,848.72
  5. Step 5: Solve for x
    x = 400,011,848.72/17,008.49
  6. Step 6: Final answer
    x = 23,518.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.