Home / 21,548.07-32,302.89-8,397.45

Finding the Fourth Proportional to 21,548.07, 32,302.89 and 8,397.45

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Solution

The fourth proportional to 21,548.07, 32,302.89 and 8,397.45 is: 12,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.07 : 32,302.89 = 8,397.45 : x
  2. Step 2: Convert to fraction form
    21,548.07/32,302.89 = 8,397.45/x
  3. Step 3: Cross multiply
    21,548.07x = 32,302.89 × 8,397.45
  4. Step 4: Simplify right side
    21,548.07x = 271,261,903.63
  5. Step 5: Solve for x
    x = 271,261,903.63/21,548.07
  6. Step 6: Final answer
    x = 12,588.69

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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.