Home / 18,579.51-25,639.47-10,196.01

Finding the Fourth Proportional to 18,579.51, 25,639.47 and 10,196.01

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Solution

The fourth proportional to 18,579.51, 25,639.47 and 10,196.01 is: 14,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.51 : 25,639.47 = 10,196.01 : x
  2. Step 2: Convert to fraction form
    18,579.51/25,639.47 = 10,196.01/x
  3. Step 3: Cross multiply
    18,579.51x = 25,639.47 × 10,196.01
  4. Step 4: Simplify right side
    18,579.51x = 261,420,292.51
  5. Step 5: Solve for x
    x = 261,420,292.51/18,579.51
  6. Step 6: Final answer
    x = 14,070.35

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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.