Home / 18,646.52-25,731.83-10,148.51

Finding the Fourth Proportional to 18,646.52, 25,731.83 and 10,148.51

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Solution

The fourth proportional to 18,646.52, 25,731.83 and 10,148.51 is: 14,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.52 : 25,731.83 = 10,148.51 : x
  2. Step 2: Convert to fraction form
    18,646.52/25,731.83 = 10,148.51/x
  3. Step 3: Cross multiply
    18,646.52x = 25,731.83 × 10,148.51
  4. Step 4: Simplify right side
    18,646.52x = 261,139,734.07
  5. Step 5: Solve for x
    x = 261,139,734.07/18,646.52
  6. Step 6: Final answer
    x = 14,004.74

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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.