Home / 19,369.06-26,729.31-10,985.56

Finding the Fourth Proportional to 19,369.06, 26,729.31 and 10,985.56

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Solution

The fourth proportional to 19,369.06, 26,729.31 and 10,985.56 is: 15,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.06 : 26,729.31 = 10,985.56 : x
  2. Step 2: Convert to fraction form
    19,369.06/26,729.31 = 10,985.56/x
  3. Step 3: Cross multiply
    19,369.06x = 26,729.31 × 10,985.56
  4. Step 4: Simplify right side
    19,369.06x = 293,636,438.76
  5. Step 5: Solve for x
    x = 293,636,438.76/19,369.06
  6. Step 6: Final answer
    x = 15,160.08

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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.