Home / 15,518.08-23,258.88-7,180.48

Finding the Fourth Proportional to 15,518.08, 23,258.88 and 7,180.48

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Solution

The fourth proportional to 15,518.08, 23,258.88 and 7,180.48 is: 10,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.08 : 23,258.88 = 7,180.48 : x
  2. Step 2: Convert to fraction form
    15,518.08/23,258.88 = 7,180.48/x
  3. Step 3: Cross multiply
    15,518.08x = 23,258.88 × 7,180.48
  4. Step 4: Simplify right side
    15,518.08x = 167,009,922.66
  5. Step 5: Solve for x
    x = 167,009,922.66/15,518.08
  6. Step 6: Final answer
    x = 10,762.28

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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.