Home / 25,688.29-35,430.21-22,109.15

Finding the Fourth Proportional to 25,688.29, 35,430.21 and 22,109.15

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Solution

The fourth proportional to 25,688.29, 35,430.21 and 22,109.15 is: 30,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.29 : 35,430.21 = 22,109.15 : x
  2. Step 2: Convert to fraction form
    25,688.29/35,430.21 = 22,109.15/x
  3. Step 3: Cross multiply
    25,688.29x = 35,430.21 × 22,109.15
  4. Step 4: Simplify right side
    25,688.29x = 783,331,916.00
  5. Step 5: Solve for x
    x = 783,331,916.00/25,688.29
  6. Step 6: Final answer
    x = 30,493.74

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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.