Home / 15,827.94-23,740.29-4,139.64

Finding the Fourth Proportional to 15,827.94, 23,740.29 and 4,139.64

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Solution

The fourth proportional to 15,827.94, 23,740.29 and 4,139.64 is: 6,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.94 : 23,740.29 = 4,139.64 : x
  2. Step 2: Convert to fraction form
    15,827.94/23,740.29 = 4,139.64/x
  3. Step 3: Cross multiply
    15,827.94x = 23,740.29 × 4,139.64
  4. Step 4: Simplify right side
    15,827.94x = 98,276,254.10
  5. Step 5: Solve for x
    x = 98,276,254.10/15,827.94
  6. Step 6: Final answer
    x = 6,209.04

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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.