Home / 22,426.40-30,942.12-14,465.60

Finding the Fourth Proportional to 22,426.40, 30,942.12 and 14,465.60

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Solution

The fourth proportional to 22,426.40, 30,942.12 and 14,465.60 is: 19,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.40 : 30,942.12 = 14,465.60 : x
  2. Step 2: Convert to fraction form
    22,426.40/30,942.12 = 14,465.60/x
  3. Step 3: Cross multiply
    22,426.40x = 30,942.12 × 14,465.60
  4. Step 4: Simplify right side
    22,426.40x = 447,596,331.07
  5. Step 5: Solve for x
    x = 447,596,331.07/22,426.40
  6. Step 6: Final answer
    x = 19,958.46

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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.