Home / 42,460.16-63,715.84-14,777.60

Finding the Fourth Proportional to 42,460.16, 63,715.84 and 14,777.60

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Solution

The fourth proportional to 42,460.16, 63,715.84 and 14,777.60 is: 22,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,460.16 : 63,715.84 = 14,777.60 : x
  2. Step 2: Convert to fraction form
    42,460.16/63,715.84 = 14,777.60/x
  3. Step 3: Cross multiply
    42,460.16x = 63,715.84 × 14,777.60
  4. Step 4: Simplify right side
    42,460.16x = 941,567,197.18
  5. Step 5: Solve for x
    x = 941,567,197.18/42,460.16
  6. Step 6: Final answer
    x = 22,175.31

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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.