Home / 19,031.20-28,549.84-5,880.48

Finding the Fourth Proportional to 19,031.20, 28,549.84 and 5,880.48

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Solution

The fourth proportional to 19,031.20, 28,549.84 and 5,880.48 is: 8,821.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.20 : 28,549.84 = 5,880.48 : x
  2. Step 2: Convert to fraction form
    19,031.20/28,549.84 = 5,880.48/x
  3. Step 3: Cross multiply
    19,031.20x = 28,549.84 × 5,880.48
  4. Step 4: Simplify right side
    19,031.20x = 167,886,763.12
  5. Step 5: Solve for x
    x = 167,886,763.12/19,031.20
  6. Step 6: Final answer
    x = 8,821.66

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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.