Home / 42,580.44-63,878.40-14,499.15

Finding the Fourth Proportional to 42,580.44, 63,878.40 and 14,499.15

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Solution

The fourth proportional to 42,580.44, 63,878.40 and 14,499.15 is: 21,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,580.44 : 63,878.40 = 14,499.15 : x
  2. Step 2: Convert to fraction form
    42,580.44/63,878.40 = 14,499.15/x
  3. Step 3: Cross multiply
    42,580.44x = 63,878.40 × 14,499.15
  4. Step 4: Simplify right side
    42,580.44x = 926,182,503.36
  5. Step 5: Solve for x
    x = 926,182,503.36/42,580.44
  6. Step 6: Final answer
    x = 21,751.36

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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.