Home / 25,462.08-35,133.48-15,388.92

Finding the Fourth Proportional to 25,462.08, 35,133.48 and 15,388.92

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Solution

The fourth proportional to 25,462.08, 35,133.48 and 15,388.92 is: 21,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,462.08 : 35,133.48 = 15,388.92 : x
  2. Step 2: Convert to fraction form
    25,462.08/35,133.48 = 15,388.92/x
  3. Step 3: Cross multiply
    25,462.08x = 35,133.48 × 15,388.92
  4. Step 4: Simplify right side
    25,462.08x = 540,666,313.04
  5. Step 5: Solve for x
    x = 540,666,313.04/25,462.08
  6. Step 6: Final answer
    x = 21,234.18

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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.