Home / 25,009.66-34,509.63-18,963.28

Finding the Fourth Proportional to 25,009.66, 34,509.63 and 18,963.28

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Solution

The fourth proportional to 25,009.66, 34,509.63 and 18,963.28 is: 26,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.66 : 34,509.63 = 18,963.28 : x
  2. Step 2: Convert to fraction form
    25,009.66/34,509.63 = 18,963.28/x
  3. Step 3: Cross multiply
    25,009.66x = 34,509.63 × 18,963.28
  4. Step 4: Simplify right side
    25,009.66x = 654,415,776.39
  5. Step 5: Solve for x
    x = 654,415,776.39/25,009.66
  6. Step 6: Final answer
    x = 26,166.52

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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.