Home / 15,535.19-21,431.74-10,497.57

Finding the Fourth Proportional to 15,535.19, 21,431.74 and 10,497.57

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Solution

The fourth proportional to 15,535.19, 21,431.74 and 10,497.57 is: 14,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.19 : 21,431.74 = 10,497.57 : x
  2. Step 2: Convert to fraction form
    15,535.19/21,431.74 = 10,497.57/x
  3. Step 3: Cross multiply
    15,535.19x = 21,431.74 × 10,497.57
  4. Step 4: Simplify right side
    15,535.19x = 224,981,244.45
  5. Step 5: Solve for x
    x = 224,981,244.45/15,535.19
  6. Step 6: Final answer
    x = 14,482.04

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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.