Home / 19,703.64-29,555.37-4,912.53

Finding the Fourth Proportional to 19,703.64, 29,555.37 and 4,912.53

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Solution

The fourth proportional to 19,703.64, 29,555.37 and 4,912.53 is: 7,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.64 : 29,555.37 = 4,912.53 : x
  2. Step 2: Convert to fraction form
    19,703.64/29,555.37 = 4,912.53/x
  3. Step 3: Cross multiply
    19,703.64x = 29,555.37 × 4,912.53
  4. Step 4: Simplify right side
    19,703.64x = 145,191,641.79
  5. Step 5: Solve for x
    x = 145,191,641.79/19,703.64
  6. Step 6: Final answer
    x = 7,368.77

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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.