Home / 15,572.02-21,489.99-8,858.26

Finding the Fourth Proportional to 15,572.02, 21,489.99 and 8,858.26

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Solution

The fourth proportional to 15,572.02, 21,489.99 and 8,858.26 is: 12,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.02 : 21,489.99 = 8,858.26 : x
  2. Step 2: Convert to fraction form
    15,572.02/21,489.99 = 8,858.26/x
  3. Step 3: Cross multiply
    15,572.02x = 21,489.99 × 8,858.26
  4. Step 4: Simplify right side
    15,572.02x = 190,363,918.82
  5. Step 5: Solve for x
    x = 190,363,918.82/15,572.02
  6. Step 6: Final answer
    x = 12,224.74

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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.