Home / 19,054.49-26,292.71-10,988.45

Finding the Fourth Proportional to 19,054.49, 26,292.71 and 10,988.45

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Solution

The fourth proportional to 19,054.49, 26,292.71 and 10,988.45 is: 15,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.49 : 26,292.71 = 10,988.45 : x
  2. Step 2: Convert to fraction form
    19,054.49/26,292.71 = 10,988.45/x
  3. Step 3: Cross multiply
    19,054.49x = 26,292.71 × 10,988.45
  4. Step 4: Simplify right side
    19,054.49x = 288,915,942.79
  5. Step 5: Solve for x
    x = 288,915,942.79/19,054.49
  6. Step 6: Final answer
    x = 15,162.62

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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.