Home / 17,880.18-24,587.16-15,518.22

Finding the Fourth Proportional to 17,880.18, 24,587.16 and 15,518.22

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Solution

The fourth proportional to 17,880.18, 24,587.16 and 15,518.22 is: 21,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.18 : 24,587.16 = 15,518.22 : x
  2. Step 2: Convert to fraction form
    17,880.18/24,587.16 = 15,518.22/x
  3. Step 3: Cross multiply
    17,880.18x = 24,587.16 × 15,518.22
  4. Step 4: Simplify right side
    17,880.18x = 381,548,958.06
  5. Step 5: Solve for x
    x = 381,548,958.06/17,880.18
  6. Step 6: Final answer
    x = 21,339.21

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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.