Home / 22,913.10-34,369.65-11,220.30

Finding the Fourth Proportional to 22,913.10, 34,369.65 and 11,220.30

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Solution

The fourth proportional to 22,913.10, 34,369.65 and 11,220.30 is: 16,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.10 : 34,369.65 = 11,220.30 : x
  2. Step 2: Convert to fraction form
    22,913.10/34,369.65 = 11,220.30/x
  3. Step 3: Cross multiply
    22,913.10x = 34,369.65 × 11,220.30
  4. Step 4: Simplify right side
    22,913.10x = 385,637,783.90
  5. Step 5: Solve for x
    x = 385,637,783.90/22,913.10
  6. Step 6: Final answer
    x = 16,830.45

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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.