Home / 14,831.40-22,271.40-9,922.80

Finding the Fourth Proportional to 14,831.40, 22,271.40 and 9,922.80

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Solution

The fourth proportional to 14,831.40, 22,271.40 and 9,922.80 is: 14,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.40 : 22,271.40 = 9,922.80 : x
  2. Step 2: Convert to fraction form
    14,831.40/22,271.40 = 9,922.80/x
  3. Step 3: Cross multiply
    14,831.40x = 22,271.40 × 9,922.80
  4. Step 4: Simplify right side
    14,831.40x = 220,994,647.92
  5. Step 5: Solve for x
    x = 220,994,647.92/14,831.40
  6. Step 6: Final answer
    x = 14,900.46

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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.