Home / 22,002.84-30,420.36-16,689.24

Finding the Fourth Proportional to 22,002.84, 30,420.36 and 16,689.24

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Solution

The fourth proportional to 22,002.84, 30,420.36 and 16,689.24 is: 23,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.84 : 30,420.36 = 16,689.24 : x
  2. Step 2: Convert to fraction form
    22,002.84/30,420.36 = 16,689.24/x
  3. Step 3: Cross multiply
    22,002.84x = 30,420.36 × 16,689.24
  4. Step 4: Simplify right side
    22,002.84x = 507,692,688.93
  5. Step 5: Solve for x
    x = 507,692,688.93/22,002.84
  6. Step 6: Final answer
    x = 23,073.96

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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.