Home / 21,210.48-29,173.08-17,009.52

Finding the Fourth Proportional to 21,210.48, 29,173.08 and 17,009.52

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Solution

The fourth proportional to 21,210.48, 29,173.08 and 17,009.52 is: 23,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210.48 : 29,173.08 = 17,009.52 : x
  2. Step 2: Convert to fraction form
    21,210.48/29,173.08 = 17,009.52/x
  3. Step 3: Cross multiply
    21,210.48x = 29,173.08 × 17,009.52
  4. Step 4: Simplify right side
    21,210.48x = 496,220,087.72
  5. Step 5: Solve for x
    x = 496,220,087.72/21,210.48
  6. Step 6: Final answer
    x = 23,395.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.