Home / 17,619.40-24,317.28-10,907.20

Finding the Fourth Proportional to 17,619.40, 24,317.28 and 10,907.20

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Solution

The fourth proportional to 17,619.40, 24,317.28 and 10,907.20 is: 15,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.40 : 24,317.28 = 10,907.20 : x
  2. Step 2: Convert to fraction form
    17,619.40/24,317.28 = 10,907.20/x
  3. Step 3: Cross multiply
    17,619.40x = 24,317.28 × 10,907.20
  4. Step 4: Simplify right side
    17,619.40x = 265,233,436.42
  5. Step 5: Solve for x
    x = 265,233,436.42/17,619.40
  6. Step 6: Final answer
    x = 15,053.49

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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.