Home / 19,031.90-28,549.22-5,885.30

Finding the Fourth Proportional to 19,031.90, 28,549.22 and 5,885.30

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Solution

The fourth proportional to 19,031.90, 28,549.22 and 5,885.30 is: 8,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.90 : 28,549.22 = 5,885.30 : x
  2. Step 2: Convert to fraction form
    19,031.90/28,549.22 = 5,885.30/x
  3. Step 3: Cross multiply
    19,031.90x = 28,549.22 × 5,885.30
  4. Step 4: Simplify right side
    19,031.90x = 168,020,724.47
  5. Step 5: Solve for x
    x = 168,020,724.47/19,031.90
  6. Step 6: Final answer
    x = 8,828.37

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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.