Home / 25,102.44-34,638.80-15,030.63

Finding the Fourth Proportional to 25,102.44, 34,638.80 and 15,030.63

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Solution

The fourth proportional to 25,102.44, 34,638.80 and 15,030.63 is: 20,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.44 : 34,638.80 = 15,030.63 : x
  2. Step 2: Convert to fraction form
    25,102.44/34,638.80 = 15,030.63/x
  3. Step 3: Cross multiply
    25,102.44x = 34,638.80 × 15,030.63
  4. Step 4: Simplify right side
    25,102.44x = 520,642,911.29
  5. Step 5: Solve for x
    x = 520,642,911.29/25,102.44
  6. Step 6: Final answer
    x = 20,740.73

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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.