Home / 15,576.50-21,495.27-8,502.98

Finding the Fourth Proportional to 15,576.50, 21,495.27 and 8,502.98

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Solution

The fourth proportional to 15,576.50, 21,495.27 and 8,502.98 is: 11,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.50 : 21,495.27 = 8,502.98 : x
  2. Step 2: Convert to fraction form
    15,576.50/21,495.27 = 8,502.98/x
  3. Step 3: Cross multiply
    15,576.50x = 21,495.27 × 8,502.98
  4. Step 4: Simplify right side
    15,576.50x = 182,773,775.31
  5. Step 5: Solve for x
    x = 182,773,775.31/15,576.50
  6. Step 6: Final answer
    x = 11,733.94

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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.