Home / 18,700.31-25,804.63-10,316.27

Finding the Fourth Proportional to 18,700.31, 25,804.63 and 10,316.27

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Solution

The fourth proportional to 18,700.31, 25,804.63 and 10,316.27 is: 14,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.31 : 25,804.63 = 10,316.27 : x
  2. Step 2: Convert to fraction form
    18,700.31/25,804.63 = 10,316.27/x
  3. Step 3: Cross multiply
    18,700.31x = 25,804.63 × 10,316.27
  4. Step 4: Simplify right side
    18,700.31x = 266,207,530.33
  5. Step 5: Solve for x
    x = 266,207,530.33/18,700.31
  6. Step 6: Final answer
    x = 14,235.46

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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.