Home / 19,670.54-29,490.30-9,804.74

Finding the Fourth Proportional to 19,670.54, 29,490.30 and 9,804.74

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Solution

The fourth proportional to 19,670.54, 29,490.30 and 9,804.74 is: 14,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.54 : 29,490.30 = 9,804.74 : x
  2. Step 2: Convert to fraction form
    19,670.54/29,490.30 = 9,804.74/x
  3. Step 3: Cross multiply
    19,670.54x = 29,490.30 × 9,804.74
  4. Step 4: Simplify right side
    19,670.54x = 289,144,576.57
  5. Step 5: Solve for x
    x = 289,144,576.57/19,670.54
  6. Step 6: Final answer
    x = 14,699.38

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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.