Home / 19,728.48-29,592.80-4,937.36

Finding the Fourth Proportional to 19,728.48, 29,592.80 and 4,937.36

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Solution

The fourth proportional to 19,728.48, 29,592.80 and 4,937.36 is: 7,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.48 : 29,592.80 = 4,937.36 : x
  2. Step 2: Convert to fraction form
    19,728.48/29,592.80 = 4,937.36/x
  3. Step 3: Cross multiply
    19,728.48x = 29,592.80 × 4,937.36
  4. Step 4: Simplify right side
    19,728.48x = 146,110,307.01
  5. Step 5: Solve for x
    x = 146,110,307.01/19,728.48
  6. Step 6: Final answer
    x = 7,406.06

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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.