Home / 14,270.80-19,701.48-8,606.56

Finding the Fourth Proportional to 14,270.80, 19,701.48 and 8,606.56

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Solution

The fourth proportional to 14,270.80, 19,701.48 and 8,606.56 is: 11,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.80 : 19,701.48 = 8,606.56 : x
  2. Step 2: Convert to fraction form
    14,270.80/19,701.48 = 8,606.56/x
  3. Step 3: Cross multiply
    14,270.80x = 19,701.48 × 8,606.56
  4. Step 4: Simplify right side
    14,270.80x = 169,561,969.71
  5. Step 5: Solve for x
    x = 169,561,969.71/14,270.80
  6. Step 6: Final answer
    x = 11,881.74

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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.