Home / 22,030.63-30,402.17-11,958.99

Finding the Fourth Proportional to 22,030.63, 30,402.17 and 11,958.99

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Solution

The fourth proportional to 22,030.63, 30,402.17 and 11,958.99 is: 16,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.63 : 30,402.17 = 11,958.99 : x
  2. Step 2: Convert to fraction form
    22,030.63/30,402.17 = 11,958.99/x
  3. Step 3: Cross multiply
    22,030.63x = 30,402.17 × 11,958.99
  4. Step 4: Simplify right side
    22,030.63x = 363,579,247.01
  5. Step 5: Solve for x
    x = 363,579,247.01/22,030.63
  6. Step 6: Final answer
    x = 16,503.35

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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.