Home / 19,515.52-26,931.40-10,563

Finding the Fourth Proportional to 19,515.52, 26,931.40 and 10,563

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Solution

The fourth proportional to 19,515.52, 26,931.40 and 10,563 is: 14,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.52 : 26,931.40 = 10,563 : x
  2. Step 2: Convert to fraction form
    19,515.52/26,931.40 = 10,563/x
  3. Step 3: Cross multiply
    19,515.52x = 26,931.40 × 10,563
  4. Step 4: Simplify right side
    19,515.52x = 284,476,378.20
  5. Step 5: Solve for x
    x = 284,476,378.20/19,515.52
  6. Step 6: Final answer
    x = 14,576.93

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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.