Home / 25,558.56-35,271.60-13,917.55

Finding the Fourth Proportional to 25,558.56, 35,271.60 and 13,917.55

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Solution

The fourth proportional to 25,558.56, 35,271.60 and 13,917.55 is: 19,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.56 : 35,271.60 = 13,917.55 : x
  2. Step 2: Convert to fraction form
    25,558.56/35,271.60 = 13,917.55/x
  3. Step 3: Cross multiply
    25,558.56x = 35,271.60 × 13,917.55
  4. Step 4: Simplify right side
    25,558.56x = 490,894,256.58
  5. Step 5: Solve for x
    x = 490,894,256.58/25,558.56
  6. Step 6: Final answer
    x = 19,206.65

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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.