Home / 25,518.08-35,217.72-14,911.28

Finding the Fourth Proportional to 25,518.08, 35,217.72 and 14,911.28

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Solution

The fourth proportional to 25,518.08, 35,217.72 and 14,911.28 is: 20,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.08 : 35,217.72 = 14,911.28 : x
  2. Step 2: Convert to fraction form
    25,518.08/35,217.72 = 14,911.28/x
  3. Step 3: Cross multiply
    25,518.08x = 35,217.72 × 14,911.28
  4. Step 4: Simplify right side
    25,518.08x = 525,141,283.88
  5. Step 5: Solve for x
    x = 525,141,283.88/25,518.08
  6. Step 6: Final answer
    x = 20,579.18

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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.