Home / 21,953.34-32,931.09-6,372.18

Finding the Fourth Proportional to 21,953.34, 32,931.09 and 6,372.18

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Solution

The fourth proportional to 21,953.34, 32,931.09 and 6,372.18 is: 9,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,953.34 : 32,931.09 = 6,372.18 : x
  2. Step 2: Convert to fraction form
    21,953.34/32,931.09 = 6,372.18/x
  3. Step 3: Cross multiply
    21,953.34x = 32,931.09 × 6,372.18
  4. Step 4: Simplify right side
    21,953.34x = 209,842,833.08
  5. Step 5: Solve for x
    x = 209,842,833.08/21,953.34
  6. Step 6: Final answer
    x = 9,558.58

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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.