Home / 19,221.79-26,526.27-10,724.68

Finding the Fourth Proportional to 19,221.79, 26,526.27 and 10,724.68

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Solution

The fourth proportional to 19,221.79, 26,526.27 and 10,724.68 is: 14,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.79 : 26,526.27 = 10,724.68 : x
  2. Step 2: Convert to fraction form
    19,221.79/26,526.27 = 10,724.68/x
  3. Step 3: Cross multiply
    19,221.79x = 26,526.27 × 10,724.68
  4. Step 4: Simplify right side
    19,221.79x = 284,485,757.34
  5. Step 5: Solve for x
    x = 284,485,757.34/19,221.79
  6. Step 6: Final answer
    x = 14,800.17

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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.