Home / 15,606.98-21,537.70-8,533.55

Finding the Fourth Proportional to 15,606.98, 21,537.70 and 8,533.55

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Solution

The fourth proportional to 15,606.98, 21,537.70 and 8,533.55 is: 11,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.98 : 21,537.70 = 8,533.55 : x
  2. Step 2: Convert to fraction form
    15,606.98/21,537.70 = 8,533.55/x
  3. Step 3: Cross multiply
    15,606.98x = 21,537.70 × 8,533.55
  4. Step 4: Simplify right side
    15,606.98x = 183,793,072.35
  5. Step 5: Solve for x
    x = 183,793,072.35/15,606.98
  6. Step 6: Final answer
    x = 11,776.34

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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.