Home / 25,988.84-35,818.98-20,701.16

Finding the Fourth Proportional to 25,988.84, 35,818.98 and 20,701.16

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Solution

The fourth proportional to 25,988.84, 35,818.98 and 20,701.16 is: 28,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.84 : 35,818.98 = 20,701.16 : x
  2. Step 2: Convert to fraction form
    25,988.84/35,818.98 = 20,701.16/x
  3. Step 3: Cross multiply
    25,988.84x = 35,818.98 × 20,701.16
  4. Step 4: Simplify right side
    25,988.84x = 741,494,436.02
  5. Step 5: Solve for x
    x = 741,494,436.02/25,988.84
  6. Step 6: Final answer
    x = 28,531.26

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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.