Home / 21,656.07-32,484.09-5,240.07

Finding the Fourth Proportional to 21,656.07, 32,484.09 and 5,240.07

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Solution

The fourth proportional to 21,656.07, 32,484.09 and 5,240.07 is: 7,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.07 : 32,484.09 = 5,240.07 : x
  2. Step 2: Convert to fraction form
    21,656.07/32,484.09 = 5,240.07/x
  3. Step 3: Cross multiply
    21,656.07x = 32,484.09 × 5,240.07
  4. Step 4: Simplify right side
    21,656.07x = 170,218,905.49
  5. Step 5: Solve for x
    x = 170,218,905.49/21,656.07
  6. Step 6: Final answer
    x = 7,860.10

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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.