Home / 18,326.55-25,291.59-10,259.71

Finding the Fourth Proportional to 18,326.55, 25,291.59 and 10,259.71

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Solution

The fourth proportional to 18,326.55, 25,291.59 and 10,259.71 is: 14,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.55 : 25,291.59 = 10,259.71 : x
  2. Step 2: Convert to fraction form
    18,326.55/25,291.59 = 10,259.71/x
  3. Step 3: Cross multiply
    18,326.55x = 25,291.59 × 10,259.71
  4. Step 4: Simplify right side
    18,326.55x = 259,484,477.11
  5. Step 5: Solve for x
    x = 259,484,477.11/18,326.55
  6. Step 6: Final answer
    x = 14,158.93

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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.