Home / 19,515.68-26,931.56-10,563.33

Finding the Fourth Proportional to 19,515.68, 26,931.56 and 10,563.33

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Solution

The fourth proportional to 19,515.68, 26,931.56 and 10,563.33 is: 14,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.68 : 26,931.56 = 10,563.33 : x
  2. Step 2: Convert to fraction form
    19,515.68/26,931.56 = 10,563.33/x
  3. Step 3: Cross multiply
    19,515.68x = 26,931.56 × 10,563.33
  4. Step 4: Simplify right side
    19,515.68x = 284,486,902.88
  5. Step 5: Solve for x
    x = 284,486,902.88/19,515.68
  6. Step 6: Final answer
    x = 14,577.35

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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.