Home / 25,543.86-35,252.12-14,215.88

Finding the Fourth Proportional to 25,543.86, 35,252.12 and 14,215.88

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Solution

The fourth proportional to 25,543.86, 35,252.12 and 14,215.88 is: 19,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.86 : 35,252.12 = 14,215.88 : x
  2. Step 2: Convert to fraction form
    25,543.86/35,252.12 = 14,215.88/x
  3. Step 3: Cross multiply
    25,543.86x = 35,252.12 × 14,215.88
  4. Step 4: Simplify right side
    25,543.86x = 501,139,907.67
  5. Step 5: Solve for x
    x = 501,139,907.67/25,543.86
  6. Step 6: Final answer
    x = 19,618.80

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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.