Home / 21,417.17-32,117.73-7,373.21

Finding the Fourth Proportional to 21,417.17, 32,117.73 and 7,373.21

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Solution

The fourth proportional to 21,417.17, 32,117.73 and 7,373.21 is: 11,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.17 : 32,117.73 = 7,373.21 : x
  2. Step 2: Convert to fraction form
    21,417.17/32,117.73 = 7,373.21/x
  3. Step 3: Cross multiply
    21,417.17x = 32,117.73 × 7,373.21
  4. Step 4: Simplify right side
    21,417.17x = 236,810,768.01
  5. Step 5: Solve for x
    x = 236,810,768.01/21,417.17
  6. Step 6: Final answer
    x = 11,057.05

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1.5x scale

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.