Home / 19,430.96-29,144.61-6,291.95

Finding the Fourth Proportional to 19,430.96, 29,144.61 and 6,291.95

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Solution

The fourth proportional to 19,430.96, 29,144.61 and 6,291.95 is: 9,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.96 : 29,144.61 = 6,291.95 : x
  2. Step 2: Convert to fraction form
    19,430.96/29,144.61 = 6,291.95/x
  3. Step 3: Cross multiply
    19,430.96x = 29,144.61 × 6,291.95
  4. Step 4: Simplify right side
    19,430.96x = 183,376,283.17
  5. Step 5: Solve for x
    x = 183,376,283.17/19,430.96
  6. Step 6: Final answer
    x = 9,437.33

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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.