Home / 19,106.93-26,387.59-13,153.97

Finding the Fourth Proportional to 19,106.93, 26,387.59 and 13,153.97

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Solution

The fourth proportional to 19,106.93, 26,387.59 and 13,153.97 is: 18,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.93 : 26,387.59 = 13,153.97 : x
  2. Step 2: Convert to fraction form
    19,106.93/26,387.59 = 13,153.97/x
  3. Step 3: Cross multiply
    19,106.93x = 26,387.59 × 13,153.97
  4. Step 4: Simplify right side
    19,106.93x = 347,101,501.46
  5. Step 5: Solve for x
    x = 347,101,501.46/19,106.93
  6. Step 6: Final answer
    x = 18,166.26

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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.