Home / 18,326.34-25,290.90-10,368.39

Finding the Fourth Proportional to 18,326.34, 25,290.90 and 10,368.39

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Solution

The fourth proportional to 18,326.34, 25,290.90 and 10,368.39 is: 14,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.34 : 25,290.90 = 10,368.39 : x
  2. Step 2: Convert to fraction form
    18,326.34/25,290.90 = 10,368.39/x
  3. Step 3: Cross multiply
    18,326.34x = 25,290.90 × 10,368.39
  4. Step 4: Simplify right side
    18,326.34x = 262,225,914.65
  5. Step 5: Solve for x
    x = 262,225,914.65/18,326.34
  6. Step 6: Final answer
    x = 14,308.69

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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.