Home / 27,782.07-38,328.93-17,708.19

Finding the Fourth Proportional to 27,782.07, 38,328.93 and 17,708.19

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Solution

The fourth proportional to 27,782.07, 38,328.93 and 17,708.19 is: 24,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782.07 : 38,328.93 = 17,708.19 : x
  2. Step 2: Convert to fraction form
    27,782.07/38,328.93 = 17,708.19/x
  3. Step 3: Cross multiply
    27,782.07x = 38,328.93 × 17,708.19
  4. Step 4: Simplify right side
    27,782.07x = 678,735,974.94
  5. Step 5: Solve for x
    x = 678,735,974.94/27,782.07
  6. Step 6: Final answer
    x = 24,430.72

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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.