Home / 19,657.23-29,485.70-11,761.93

Finding the Fourth Proportional to 19,657.23, 29,485.70 and 11,761.93

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Solution

The fourth proportional to 19,657.23, 29,485.70 and 11,761.93 is: 17,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.23 : 29,485.70 = 11,761.93 : x
  2. Step 2: Convert to fraction form
    19,657.23/29,485.70 = 11,761.93/x
  3. Step 3: Cross multiply
    19,657.23x = 29,485.70 × 11,761.93
  4. Step 4: Simplify right side
    19,657.23x = 346,808,739.40
  5. Step 5: Solve for x
    x = 346,808,739.40/19,657.23
  6. Step 6: Final answer
    x = 17,642.81

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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.