Home / 19,222.40-26,528.76-11,666.99

Finding the Fourth Proportional to 19,222.40, 26,528.76 and 11,666.99

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Solution

The fourth proportional to 19,222.40, 26,528.76 and 11,666.99 is: 16,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.40 : 26,528.76 = 11,666.99 : x
  2. Step 2: Convert to fraction form
    19,222.40/26,528.76 = 11,666.99/x
  3. Step 3: Cross multiply
    19,222.40x = 26,528.76 × 11,666.99
  4. Step 4: Simplify right side
    19,222.40x = 309,510,644.99
  5. Step 5: Solve for x
    x = 309,510,644.99/19,222.40
  6. Step 6: Final answer
    x = 16,101.57

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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.