Home / 18,417.69-25,416.59-10,459.97

Finding the Fourth Proportional to 18,417.69, 25,416.59 and 10,459.97

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Solution

The fourth proportional to 18,417.69, 25,416.59 and 10,459.97 is: 14,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.69 : 25,416.59 = 10,459.97 : x
  2. Step 2: Convert to fraction form
    18,417.69/25,416.59 = 10,459.97/x
  3. Step 3: Cross multiply
    18,417.69x = 25,416.59 × 10,459.97
  4. Step 4: Simplify right side
    18,417.69x = 265,856,684.83
  5. Step 5: Solve for x
    x = 265,856,684.83/18,417.69
  6. Step 6: Final answer
    x = 14,434.86

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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.