Home / 16,222.40-22,400.16-10,263.68

Finding the Fourth Proportional to 16,222.40, 22,400.16 and 10,263.68

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Solution

The fourth proportional to 16,222.40, 22,400.16 and 10,263.68 is: 14,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.40 : 22,400.16 = 10,263.68 : x
  2. Step 2: Convert to fraction form
    16,222.40/22,400.16 = 10,263.68/x
  3. Step 3: Cross multiply
    16,222.40x = 22,400.16 × 10,263.68
  4. Step 4: Simplify right side
    16,222.40x = 229,908,074.19
  5. Step 5: Solve for x
    x = 229,908,074.19/16,222.40
  6. Step 6: Final answer
    x = 14,172.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.