Home / 22,506.60-33,784.20-12,665.10

Finding the Fourth Proportional to 22,506.60, 33,784.20 and 12,665.10

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Solution

The fourth proportional to 22,506.60, 33,784.20 and 12,665.10 is: 19,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.60 : 33,784.20 = 12,665.10 : x
  2. Step 2: Convert to fraction form
    22,506.60/33,784.20 = 12,665.10/x
  3. Step 3: Cross multiply
    22,506.60x = 33,784.20 × 12,665.10
  4. Step 4: Simplify right side
    22,506.60x = 427,880,271.42
  5. Step 5: Solve for x
    x = 427,880,271.42/22,506.60
  6. Step 6: Final answer
    x = 19,011.32

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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.