Home / 22,031.90-30,353.28-16,290.98

Finding the Fourth Proportional to 22,031.90, 30,353.28 and 16,290.98

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Solution

The fourth proportional to 22,031.90, 30,353.28 and 16,290.98 is: 22,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.90 : 30,353.28 = 16,290.98 : x
  2. Step 2: Convert to fraction form
    22,031.90/30,353.28 = 16,290.98/x
  3. Step 3: Cross multiply
    22,031.90x = 30,353.28 × 16,290.98
  4. Step 4: Simplify right side
    22,031.90x = 494,484,677.41
  5. Step 5: Solve for x
    x = 494,484,677.41/22,031.90
  6. Step 6: Final answer
    x = 22,444.03

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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.