Home / 19,189.31-26,476.61-10,805.81

Finding the Fourth Proportional to 19,189.31, 26,476.61 and 10,805.81

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Solution

The fourth proportional to 19,189.31, 26,476.61 and 10,805.81 is: 14,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.31 : 26,476.61 = 10,805.81 : x
  2. Step 2: Convert to fraction form
    19,189.31/26,476.61 = 10,805.81/x
  3. Step 3: Cross multiply
    19,189.31x = 26,476.61 × 10,805.81
  4. Step 4: Simplify right side
    19,189.31x = 286,101,030.69
  5. Step 5: Solve for x
    x = 286,101,030.69/19,189.31
  6. Step 6: Final answer
    x = 14,909.40

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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.