Home / 23,430.42-32,370.30-19,646.91

Finding the Fourth Proportional to 23,430.42, 32,370.30 and 19,646.91

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Solution

The fourth proportional to 23,430.42, 32,370.30 and 19,646.91 is: 27,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.42 : 32,370.30 = 19,646.91 : x
  2. Step 2: Convert to fraction form
    23,430.42/32,370.30 = 19,646.91/x
  3. Step 3: Cross multiply
    23,430.42x = 32,370.30 × 19,646.91
  4. Step 4: Simplify right side
    23,430.42x = 635,976,370.77
  5. Step 5: Solve for x
    x = 635,976,370.77/23,430.42
  6. Step 6: Final answer
    x = 27,143.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.