Home / 19,031.84-28,506.15-9,655.70

Finding the Fourth Proportional to 19,031.84, 28,506.15 and 9,655.70

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Solution

The fourth proportional to 19,031.84, 28,506.15 and 9,655.70 is: 14,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.84 : 28,506.15 = 9,655.70 : x
  2. Step 2: Convert to fraction form
    19,031.84/28,506.15 = 9,655.70/x
  3. Step 3: Cross multiply
    19,031.84x = 28,506.15 × 9,655.70
  4. Step 4: Simplify right side
    19,031.84x = 275,246,832.56
  5. Step 5: Solve for x
    x = 275,246,832.56/19,031.84
  6. Step 6: Final answer
    x = 14,462.44

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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.