Home / 15,322.47-23,003.15-13,028.55

Finding the Fourth Proportional to 15,322.47, 23,003.15 and 13,028.55

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Solution

The fourth proportional to 15,322.47, 23,003.15 and 13,028.55 is: 19,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.47 : 23,003.15 = 13,028.55 : x
  2. Step 2: Convert to fraction form
    15,322.47/23,003.15 = 13,028.55/x
  3. Step 3: Cross multiply
    15,322.47x = 23,003.15 × 13,028.55
  4. Step 4: Simplify right side
    15,322.47x = 299,697,624.79
  5. Step 5: Solve for x
    x = 299,697,624.79/15,322.47
  6. Step 6: Final answer
    x = 19,559.35

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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.