Home / 21,417.53-32,090.85-7,370.01

Finding the Fourth Proportional to 21,417.53, 32,090.85 and 7,370.01

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Solution

The fourth proportional to 21,417.53, 32,090.85 and 7,370.01 is: 11,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.53 : 32,090.85 = 7,370.01 : x
  2. Step 2: Convert to fraction form
    21,417.53/32,090.85 = 7,370.01/x
  3. Step 3: Cross multiply
    21,417.53x = 32,090.85 × 7,370.01
  4. Step 4: Simplify right side
    21,417.53x = 236,509,885.41
  5. Step 5: Solve for x
    x = 236,509,885.41/21,417.53
  6. Step 6: Final answer
    x = 11,042.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.