Home / 19,465.47-26,834.36-13,866.75

Finding the Fourth Proportional to 19,465.47, 26,834.36 and 13,866.75

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Solution

The fourth proportional to 19,465.47, 26,834.36 and 13,866.75 is: 19,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.47 : 26,834.36 = 13,866.75 : x
  2. Step 2: Convert to fraction form
    19,465.47/26,834.36 = 13,866.75/x
  3. Step 3: Cross multiply
    19,465.47x = 26,834.36 × 13,866.75
  4. Step 4: Simplify right side
    19,465.47x = 372,105,292.20
  5. Step 5: Solve for x
    x = 372,105,292.20/19,465.47
  6. Step 6: Final answer
    x = 19,116.17

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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.