Home / 15,535.08-21,431.59-10,497.46

Finding the Fourth Proportional to 15,535.08, 21,431.59 and 10,497.46

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Solution

The fourth proportional to 15,535.08, 21,431.59 and 10,497.46 is: 14,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.08 : 21,431.59 = 10,497.46 : x
  2. Step 2: Convert to fraction form
    15,535.08/21,431.59 = 10,497.46/x
  3. Step 3: Cross multiply
    15,535.08x = 21,431.59 × 10,497.46
  4. Step 4: Simplify right side
    15,535.08x = 224,977,206.27
  5. Step 5: Solve for x
    x = 224,977,206.27/15,535.08
  6. Step 6: Final answer
    x = 14,481.88

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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.