Home / 38,290.90-57,412.83-14,890.06

Finding the Fourth Proportional to 38,290.90, 57,412.83 and 14,890.06

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Solution

The fourth proportional to 38,290.90, 57,412.83 and 14,890.06 is: 22,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290.90 : 57,412.83 = 14,890.06 : x
  2. Step 2: Convert to fraction form
    38,290.90/57,412.83 = 14,890.06/x
  3. Step 3: Cross multiply
    38,290.90x = 57,412.83 × 14,890.06
  4. Step 4: Simplify right side
    38,290.90x = 854,880,483.47
  5. Step 5: Solve for x
    x = 854,880,483.47/38,290.90
  6. Step 6: Final answer
    x = 22,325.94

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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.