Home / 25,622.16-38,440.08-8,092.32

Finding the Fourth Proportional to 25,622.16, 38,440.08 and 8,092.32

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Solution

The fourth proportional to 25,622.16, 38,440.08 and 8,092.32 is: 12,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.16 : 38,440.08 = 8,092.32 : x
  2. Step 2: Convert to fraction form
    25,622.16/38,440.08 = 8,092.32/x
  3. Step 3: Cross multiply
    25,622.16x = 38,440.08 × 8,092.32
  4. Step 4: Simplify right side
    25,622.16x = 311,069,428.19
  5. Step 5: Solve for x
    x = 311,069,428.19/25,622.16
  6. Step 6: Final answer
    x = 12,140.64

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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.