Home / 15,821.49-23,727.85-4,725.55

Finding the Fourth Proportional to 15,821.49, 23,727.85 and 4,725.55

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Solution

The fourth proportional to 15,821.49, 23,727.85 and 4,725.55 is: 7,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.49 : 23,727.85 = 4,725.55 : x
  2. Step 2: Convert to fraction form
    15,821.49/23,727.85 = 4,725.55/x
  3. Step 3: Cross multiply
    15,821.49x = 23,727.85 × 4,725.55
  4. Step 4: Simplify right side
    15,821.49x = 112,127,159.41
  5. Step 5: Solve for x
    x = 112,127,159.41/15,821.49
  6. Step 6: Final answer
    x = 7,087.01

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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.