Home / 26,275.24-39,430.14-12,416.68

Finding the Fourth Proportional to 26,275.24, 39,430.14 and 12,416.68

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Solution

The fourth proportional to 26,275.24, 39,430.14 and 12,416.68 is: 18,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,275.24 : 39,430.14 = 12,416.68 : x
  2. Step 2: Convert to fraction form
    26,275.24/39,430.14 = 12,416.68/x
  3. Step 3: Cross multiply
    26,275.24x = 39,430.14 × 12,416.68
  4. Step 4: Simplify right side
    26,275.24x = 489,591,430.74
  5. Step 5: Solve for x
    x = 489,591,430.74/26,275.24
  6. Step 6: Final answer
    x = 18,633.19

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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.