Home / 18,538.02-25,582.77-10,153.98

Finding the Fourth Proportional to 18,538.02, 25,582.77 and 10,153.98

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Solution

The fourth proportional to 18,538.02, 25,582.77 and 10,153.98 is: 14,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.02 : 25,582.77 = 10,153.98 : x
  2. Step 2: Convert to fraction form
    18,538.02/25,582.77 = 10,153.98/x
  3. Step 3: Cross multiply
    18,538.02x = 25,582.77 × 10,153.98
  4. Step 4: Simplify right side
    18,538.02x = 259,766,934.92
  5. Step 5: Solve for x
    x = 259,766,934.92/18,538.02
  6. Step 6: Final answer
    x = 14,012.66

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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.