Home / 25,674.31-35,430.57-14,921.29

Finding the Fourth Proportional to 25,674.31, 35,430.57 and 14,921.29

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Solution

The fourth proportional to 25,674.31, 35,430.57 and 14,921.29 is: 20,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,674.31 : 35,430.57 = 14,921.29 : x
  2. Step 2: Convert to fraction form
    25,674.31/35,430.57 = 14,921.29/x
  3. Step 3: Cross multiply
    25,674.31x = 35,430.57 × 14,921.29
  4. Step 4: Simplify right side
    25,674.31x = 528,669,558.08
  5. Step 5: Solve for x
    x = 528,669,558.08/25,674.31
  6. Step 6: Final answer
    x = 20,591.39

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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.