Home / 25,487.08-38,228.73-10,695.40

Finding the Fourth Proportional to 25,487.08, 38,228.73 and 10,695.40

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Solution

The fourth proportional to 25,487.08, 38,228.73 and 10,695.40 is: 16,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.08 : 38,228.73 = 10,695.40 : x
  2. Step 2: Convert to fraction form
    25,487.08/38,228.73 = 10,695.40/x
  3. Step 3: Cross multiply
    25,487.08x = 38,228.73 × 10,695.40
  4. Step 4: Simplify right side
    25,487.08x = 408,871,558.84
  5. Step 5: Solve for x
    x = 408,871,558.84/25,487.08
  6. Step 6: Final answer
    x = 16,042.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.