Home / 19,368.15-26,726.86-10,868.82

Finding the Fourth Proportional to 19,368.15, 26,726.86 and 10,868.82

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Solution

The fourth proportional to 19,368.15, 26,726.86 and 10,868.82 is: 14,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.15 : 26,726.86 = 10,868.82 : x
  2. Step 2: Convert to fraction form
    19,368.15/26,726.86 = 10,868.82/x
  3. Step 3: Cross multiply
    19,368.15x = 26,726.86 × 10,868.82
  4. Step 4: Simplify right side
    19,368.15x = 290,489,242.53
  5. Step 5: Solve for x
    x = 290,489,242.53/19,368.15
  6. Step 6: Final answer
    x = 14,998.30

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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.