Home / 18,448.93-25,459.80-10,065.43

Finding the Fourth Proportional to 18,448.93, 25,459.80 and 10,065.43

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Solution

The fourth proportional to 18,448.93, 25,459.80 and 10,065.43 is: 13,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.93 : 25,459.80 = 10,065.43 : x
  2. Step 2: Convert to fraction form
    18,448.93/25,459.80 = 10,065.43/x
  3. Step 3: Cross multiply
    18,448.93x = 25,459.80 × 10,065.43
  4. Step 4: Simplify right side
    18,448.93x = 256,263,834.71
  5. Step 5: Solve for x
    x = 256,263,834.71/18,448.93
  6. Step 6: Final answer
    x = 13,890.44

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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.