Home / 15,571.54-23,360.88-4,478.32

Finding the Fourth Proportional to 15,571.54, 23,360.88 and 4,478.32

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Solution

The fourth proportional to 15,571.54, 23,360.88 and 4,478.32 is: 6,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.54 : 23,360.88 = 4,478.32 : x
  2. Step 2: Convert to fraction form
    15,571.54/23,360.88 = 4,478.32/x
  3. Step 3: Cross multiply
    15,571.54x = 23,360.88 × 4,478.32
  4. Step 4: Simplify right side
    15,571.54x = 104,617,496.12
  5. Step 5: Solve for x
    x = 104,617,496.12/15,571.54
  6. Step 6: Final answer
    x = 6,718.51

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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.