Home / 19,955.25-29,937.96-5,915.79

Finding the Fourth Proportional to 19,955.25, 29,937.96 and 5,915.79

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Solution

The fourth proportional to 19,955.25, 29,937.96 and 5,915.79 is: 8,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.25 : 29,937.96 = 5,915.79 : x
  2. Step 2: Convert to fraction form
    19,955.25/29,937.96 = 5,915.79/x
  3. Step 3: Cross multiply
    19,955.25x = 29,937.96 × 5,915.79
  4. Step 4: Simplify right side
    19,955.25x = 177,106,684.39
  5. Step 5: Solve for x
    x = 177,106,684.39/19,955.25
  6. Step 6: Final answer
    x = 8,875.19

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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.