Home / 18,501.74-25,526.15-10,538.33

Finding the Fourth Proportional to 18,501.74, 25,526.15 and 10,538.33

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Solution

The fourth proportional to 18,501.74, 25,526.15 and 10,538.33 is: 14,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.74 : 25,526.15 = 10,538.33 : x
  2. Step 2: Convert to fraction form
    18,501.74/25,526.15 = 10,538.33/x
  3. Step 3: Cross multiply
    18,501.74x = 25,526.15 × 10,538.33
  4. Step 4: Simplify right side
    18,501.74x = 269,002,812.01
  5. Step 5: Solve for x
    x = 269,002,812.01/18,501.74
  6. Step 6: Final answer
    x = 14,539.33

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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.