Home / 14,253.17-19,674.86-12,758.45

Finding the Fourth Proportional to 14,253.17, 19,674.86 and 12,758.45

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Solution

The fourth proportional to 14,253.17, 19,674.86 and 12,758.45 is: 17,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.17 : 19,674.86 = 12,758.45 : x
  2. Step 2: Convert to fraction form
    14,253.17/19,674.86 = 12,758.45/x
  3. Step 3: Cross multiply
    14,253.17x = 19,674.86 × 12,758.45
  4. Step 4: Simplify right side
    14,253.17x = 251,020,555.40
  5. Step 5: Solve for x
    x = 251,020,555.40/14,253.17
  6. Step 6: Final answer
    x = 17,611.57

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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.