Home / 25,618.20-35,347.74-15,551.94

Finding the Fourth Proportional to 25,618.20, 35,347.74 and 15,551.94

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Solution

The fourth proportional to 25,618.20, 35,347.74 and 15,551.94 is: 21,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.20 : 35,347.74 = 15,551.94 : x
  2. Step 2: Convert to fraction form
    25,618.20/35,347.74 = 15,551.94/x
  3. Step 3: Cross multiply
    25,618.20x = 35,347.74 × 15,551.94
  4. Step 4: Simplify right side
    25,618.20x = 549,725,931.62
  5. Step 5: Solve for x
    x = 549,725,931.62/25,618.20
  6. Step 6: Final answer
    x = 21,458.41

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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.