Home / 18,646.04-25,731.94-10,148.74

Finding the Fourth Proportional to 18,646.04, 25,731.94 and 10,148.74

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Solution

The fourth proportional to 18,646.04, 25,731.94 and 10,148.74 is: 14,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.04 : 25,731.94 = 10,148.74 : x
  2. Step 2: Convert to fraction form
    18,646.04/25,731.94 = 10,148.74/x
  3. Step 3: Cross multiply
    18,646.04x = 25,731.94 × 10,148.74
  4. Step 4: Simplify right side
    18,646.04x = 261,146,768.76
  5. Step 5: Solve for x
    x = 261,146,768.76/18,646.04
  6. Step 6: Final answer
    x = 14,005.48

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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.