Home / 30,573.40-42,182.07-19,254.11

Finding the Fourth Proportional to 30,573.40, 42,182.07 and 19,254.11

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Solution

The fourth proportional to 30,573.40, 42,182.07 and 19,254.11 is: 26,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.40 : 42,182.07 = 19,254.11 : x
  2. Step 2: Convert to fraction form
    30,573.40/42,182.07 = 19,254.11/x
  3. Step 3: Cross multiply
    30,573.40x = 42,182.07 × 19,254.11
  4. Step 4: Simplify right side
    30,573.40x = 812,177,932.69
  5. Step 5: Solve for x
    x = 812,177,932.69/30,573.40
  6. Step 6: Final answer
    x = 26,564.86

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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.