Home / 22,461.08-30,986.47-13,503.44

Finding the Fourth Proportional to 22,461.08, 30,986.47 and 13,503.44

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Solution

The fourth proportional to 22,461.08, 30,986.47 and 13,503.44 is: 18,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461.08 : 30,986.47 = 13,503.44 : x
  2. Step 2: Convert to fraction form
    22,461.08/30,986.47 = 13,503.44/x
  3. Step 3: Cross multiply
    22,461.08x = 30,986.47 × 13,503.44
  4. Step 4: Simplify right side
    22,461.08x = 418,423,938.46
  5. Step 5: Solve for x
    x = 418,423,938.46/22,461.08
  6. Step 6: Final answer
    x = 18,628.84

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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.