Home / 18,501.54-25,525.89-10,538.13

Finding the Fourth Proportional to 18,501.54, 25,525.89 and 10,538.13

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Solution

The fourth proportional to 18,501.54, 25,525.89 and 10,538.13 is: 14,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.54 : 25,525.89 = 10,538.13 : x
  2. Step 2: Convert to fraction form
    18,501.54/25,525.89 = 10,538.13/x
  3. Step 3: Cross multiply
    18,501.54x = 25,525.89 × 10,538.13
  4. Step 4: Simplify right side
    18,501.54x = 268,995,147.19
  5. Step 5: Solve for x
    x = 268,995,147.19/18,501.54
  6. Step 6: Final answer
    x = 14,539.07

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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.