Home / 42,312.54-63,474.27-14,220.48

Finding the Fourth Proportional to 42,312.54, 63,474.27 and 14,220.48

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Solution

The fourth proportional to 42,312.54, 63,474.27 and 14,220.48 is: 21,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.54 : 63,474.27 = 14,220.48 : x
  2. Step 2: Convert to fraction form
    42,312.54/63,474.27 = 14,220.48/x
  3. Step 3: Cross multiply
    42,312.54x = 63,474.27 × 14,220.48
  4. Step 4: Simplify right side
    42,312.54x = 902,634,587.05
  5. Step 5: Solve for x
    x = 902,634,587.05/42,312.54
  6. Step 6: Final answer
    x = 21,332.56

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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.