Home / 19,113.48-26,376.42-10,729.92

Finding the Fourth Proportional to 19,113.48, 26,376.42 and 10,729.92

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Solution

The fourth proportional to 19,113.48, 26,376.42 and 10,729.92 is: 14,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.48 : 26,376.42 = 10,729.92 : x
  2. Step 2: Convert to fraction form
    19,113.48/26,376.42 = 10,729.92/x
  3. Step 3: Cross multiply
    19,113.48x = 26,376.42 × 10,729.92
  4. Step 4: Simplify right side
    19,113.48x = 283,016,876.49
  5. Step 5: Solve for x
    x = 283,016,876.49/19,113.48
  6. Step 6: Final answer
    x = 14,807.19

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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.