Home / 19,187.18-26,476.62-10,689.84

Finding the Fourth Proportional to 19,187.18, 26,476.62 and 10,689.84

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Solution

The fourth proportional to 19,187.18, 26,476.62 and 10,689.84 is: 14,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.18 : 26,476.62 = 10,689.84 : x
  2. Step 2: Convert to fraction form
    19,187.18/26,476.62 = 10,689.84/x
  3. Step 3: Cross multiply
    19,187.18x = 26,476.62 × 10,689.84
  4. Step 4: Simplify right side
    19,187.18x = 283,030,831.54
  5. Step 5: Solve for x
    x = 283,030,831.54/19,187.18
  6. Step 6: Final answer
    x = 14,751.04

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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.