Home / 23,784.78-32,823.72-13,175.40

Finding the Fourth Proportional to 23,784.78, 32,823.72 and 13,175.40

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Solution

The fourth proportional to 23,784.78, 32,823.72 and 13,175.40 is: 18,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,784.78 : 32,823.72 = 13,175.40 : x
  2. Step 2: Convert to fraction form
    23,784.78/32,823.72 = 13,175.40/x
  3. Step 3: Cross multiply
    23,784.78x = 32,823.72 × 13,175.40
  4. Step 4: Simplify right side
    23,784.78x = 432,465,640.49
  5. Step 5: Solve for x
    x = 432,465,640.49/23,784.78
  6. Step 6: Final answer
    x = 18,182.45

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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.