Home / 25,769.63-35,555.19-15,558.17

Finding the Fourth Proportional to 25,769.63, 35,555.19 and 15,558.17

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Solution

The fourth proportional to 25,769.63, 35,555.19 and 15,558.17 is: 21,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.63 : 35,555.19 = 15,558.17 : x
  2. Step 2: Convert to fraction form
    25,769.63/35,555.19 = 15,558.17/x
  3. Step 3: Cross multiply
    25,769.63x = 35,555.19 × 15,558.17
  4. Step 4: Simplify right side
    25,769.63x = 553,173,512.63
  5. Step 5: Solve for x
    x = 553,173,512.63/25,769.63
  6. Step 6: Final answer
    x = 21,466.11

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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.