Home / 15,045.78-22,580.03-10,290.58

Finding the Fourth Proportional to 15,045.78, 22,580.03 and 10,290.58

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Solution

The fourth proportional to 15,045.78, 22,580.03 and 10,290.58 is: 15,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.78 : 22,580.03 = 10,290.58 : x
  2. Step 2: Convert to fraction form
    15,045.78/22,580.03 = 10,290.58/x
  3. Step 3: Cross multiply
    15,045.78x = 22,580.03 × 10,290.58
  4. Step 4: Simplify right side
    15,045.78x = 232,361,574.39
  5. Step 5: Solve for x
    x = 232,361,574.39/15,045.78
  6. Step 6: Final answer
    x = 15,443.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.