Home / 22,815.63-34,140.18-13,460.13

Finding the Fourth Proportional to 22,815.63, 34,140.18 and 13,460.13

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Solution

The fourth proportional to 22,815.63, 34,140.18 and 13,460.13 is: 20,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815.63 : 34,140.18 = 13,460.13 : x
  2. Step 2: Convert to fraction form
    22,815.63/34,140.18 = 13,460.13/x
  3. Step 3: Cross multiply
    22,815.63x = 34,140.18 × 13,460.13
  4. Step 4: Simplify right side
    22,815.63x = 459,531,261.02
  5. Step 5: Solve for x
    x = 459,531,261.02/22,815.63
  6. Step 6: Final answer
    x = 20,141.07

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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.