Home / 14,125.98-19,494.65-8,538.78

Finding the Fourth Proportional to 14,125.98, 19,494.65 and 8,538.78

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Solution

The fourth proportional to 14,125.98, 19,494.65 and 8,538.78 is: 11,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.98 : 19,494.65 = 8,538.78 : x
  2. Step 2: Convert to fraction form
    14,125.98/19,494.65 = 8,538.78/x
  3. Step 3: Cross multiply
    14,125.98x = 19,494.65 × 8,538.78
  4. Step 4: Simplify right side
    14,125.98x = 166,460,527.53
  5. Step 5: Solve for x
    x = 166,460,527.53/14,125.98
  6. Step 6: Final answer
    x = 11,784.00

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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.