Home / 25,661.49-35,402.62-16,705.72

Finding the Fourth Proportional to 25,661.49, 35,402.62 and 16,705.72

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Solution

The fourth proportional to 25,661.49, 35,402.62 and 16,705.72 is: 23,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.49 : 35,402.62 = 16,705.72 : x
  2. Step 2: Convert to fraction form
    25,661.49/35,402.62 = 16,705.72/x
  3. Step 3: Cross multiply
    25,661.49x = 35,402.62 × 16,705.72
  4. Step 4: Simplify right side
    25,661.49x = 591,426,173.46
  5. Step 5: Solve for x
    x = 591,426,173.46/25,661.49
  6. Step 6: Final answer
    x = 23,047.23

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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.