Home / 15,360.50-23,040.72-4,831.44

Finding the Fourth Proportional to 15,360.50, 23,040.72 and 4,831.44

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Solution

The fourth proportional to 15,360.50, 23,040.72 and 4,831.44 is: 7,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.50 : 23,040.72 = 4,831.44 : x
  2. Step 2: Convert to fraction form
    15,360.50/23,040.72 = 4,831.44/x
  3. Step 3: Cross multiply
    15,360.50x = 23,040.72 × 4,831.44
  4. Step 4: Simplify right side
    15,360.50x = 111,319,960.76
  5. Step 5: Solve for x
    x = 111,319,960.76/15,360.50
  6. Step 6: Final answer
    x = 7,247.16

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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.