Home / 20,624.01-28,461.23-11,192.58

Finding the Fourth Proportional to 20,624.01, 28,461.23 and 11,192.58

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Solution

The fourth proportional to 20,624.01, 28,461.23 and 11,192.58 is: 15,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.01 : 28,461.23 = 11,192.58 : x
  2. Step 2: Convert to fraction form
    20,624.01/28,461.23 = 11,192.58/x
  3. Step 3: Cross multiply
    20,624.01x = 28,461.23 × 11,192.58
  4. Step 4: Simplify right side
    20,624.01x = 318,554,537.71
  5. Step 5: Solve for x
    x = 318,554,537.71/20,624.01
  6. Step 6: Final answer
    x = 15,445.81

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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.