Home / 25,627.40-35,368.35-15,555.05

Finding the Fourth Proportional to 25,627.40, 35,368.35 and 15,555.05

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Solution

The fourth proportional to 25,627.40, 35,368.35 and 15,555.05 is: 21,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.40 : 35,368.35 = 15,555.05 : x
  2. Step 2: Convert to fraction form
    25,627.40/35,368.35 = 15,555.05/x
  3. Step 3: Cross multiply
    25,627.40x = 35,368.35 × 15,555.05
  4. Step 4: Simplify right side
    25,627.40x = 550,156,452.67
  5. Step 5: Solve for x
    x = 550,156,452.67/25,627.40
  6. Step 6: Final answer
    x = 21,467.51

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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.