Home / 23,240.63-32,055.85-15,280.31

Finding the Fourth Proportional to 23,240.63, 32,055.85 and 15,280.31

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Solution

The fourth proportional to 23,240.63, 32,055.85 and 15,280.31 is: 21,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.63 : 32,055.85 = 15,280.31 : x
  2. Step 2: Convert to fraction form
    23,240.63/32,055.85 = 15,280.31/x
  3. Step 3: Cross multiply
    23,240.63x = 32,055.85 × 15,280.31
  4. Step 4: Simplify right side
    23,240.63x = 489,823,325.31
  5. Step 5: Solve for x
    x = 489,823,325.31/23,240.63
  6. Step 6: Final answer
    x = 21,076.16

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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.