Home / 14,250.17-19,670.72-12,755.45

Finding the Fourth Proportional to 14,250.17, 19,670.72 and 12,755.45

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Solution

The fourth proportional to 14,250.17, 19,670.72 and 12,755.45 is: 17,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.17 : 19,670.72 = 12,755.45 : x
  2. Step 2: Convert to fraction form
    14,250.17/19,670.72 = 12,755.45/x
  3. Step 3: Cross multiply
    14,250.17x = 19,670.72 × 12,755.45
  4. Step 4: Simplify right side
    14,250.17x = 250,908,723.29
  5. Step 5: Solve for x
    x = 250,908,723.29/14,250.17
  6. Step 6: Final answer
    x = 17,607.43

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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.