Home / 19,301.79-26,636.56-10,804.08

Finding the Fourth Proportional to 19,301.79, 26,636.56 and 10,804.08

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Solution

The fourth proportional to 19,301.79, 26,636.56 and 10,804.08 is: 14,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.79 : 26,636.56 = 10,804.08 : x
  2. Step 2: Convert to fraction form
    19,301.79/26,636.56 = 10,804.08/x
  3. Step 3: Cross multiply
    19,301.79x = 26,636.56 × 10,804.08
  4. Step 4: Simplify right side
    19,301.79x = 287,783,531.25
  5. Step 5: Solve for x
    x = 287,783,531.25/19,301.79
  6. Step 6: Final answer
    x = 14,909.68

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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.