Home / 19,220.68-26,526.90-10,837

Finding the Fourth Proportional to 19,220.68, 26,526.90 and 10,837

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Solution

The fourth proportional to 19,220.68, 26,526.90 and 10,837 is: 14,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.68 : 26,526.90 = 10,837 : x
  2. Step 2: Convert to fraction form
    19,220.68/26,526.90 = 10,837/x
  3. Step 3: Cross multiply
    19,220.68x = 26,526.90 × 10,837
  4. Step 4: Simplify right side
    19,220.68x = 287,472,015.30
  5. Step 5: Solve for x
    x = 287,472,015.30/19,220.68
  6. Step 6: Final answer
    x = 14,956.39

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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.