Home / 15,343.76-23,015.28-4,955.60

Finding the Fourth Proportional to 15,343.76, 23,015.28 and 4,955.60

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Solution

The fourth proportional to 15,343.76, 23,015.28 and 4,955.60 is: 7,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.76 : 23,015.28 = 4,955.60 : x
  2. Step 2: Convert to fraction form
    15,343.76/23,015.28 = 4,955.60/x
  3. Step 3: Cross multiply
    15,343.76x = 23,015.28 × 4,955.60
  4. Step 4: Simplify right side
    15,343.76x = 114,054,521.57
  5. Step 5: Solve for x
    x = 114,054,521.57/15,343.76
  6. Step 6: Final answer
    x = 7,433.28

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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.