Home / 20,577.02-28,398.59-11,625.10

Finding the Fourth Proportional to 20,577.02, 28,398.59 and 11,625.10

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Solution

The fourth proportional to 20,577.02, 28,398.59 and 11,625.10 is: 16,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.02 : 28,398.59 = 11,625.10 : x
  2. Step 2: Convert to fraction form
    20,577.02/28,398.59 = 11,625.10/x
  3. Step 3: Cross multiply
    20,577.02x = 28,398.59 × 11,625.10
  4. Step 4: Simplify right side
    20,577.02x = 330,136,448.61
  5. Step 5: Solve for x
    x = 330,136,448.61/20,577.02
  6. Step 6: Final answer
    x = 16,043.94

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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.