Home / 15,604.52-21,533.70-8,531.24

Finding the Fourth Proportional to 15,604.52, 21,533.70 and 8,531.24

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Solution

The fourth proportional to 15,604.52, 21,533.70 and 8,531.24 is: 11,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.52 : 21,533.70 = 8,531.24 : x
  2. Step 2: Convert to fraction form
    15,604.52/21,533.70 = 8,531.24/x
  3. Step 3: Cross multiply
    15,604.52x = 21,533.70 × 8,531.24
  4. Step 4: Simplify right side
    15,604.52x = 183,709,162.79
  5. Step 5: Solve for x
    x = 183,709,162.79/15,604.52
  6. Step 6: Final answer
    x = 11,772.82

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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.