Home / 25,676.24-35,421.93-15,061.10

Finding the Fourth Proportional to 25,676.24, 35,421.93 and 15,061.10

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Solution

The fourth proportional to 25,676.24, 35,421.93 and 15,061.10 is: 20,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.24 : 35,421.93 = 15,061.10 : x
  2. Step 2: Convert to fraction form
    25,676.24/35,421.93 = 15,061.10/x
  3. Step 3: Cross multiply
    25,676.24x = 35,421.93 × 15,061.10
  4. Step 4: Simplify right side
    25,676.24x = 533,493,052.81
  5. Step 5: Solve for x
    x = 533,493,052.81/25,676.24
  6. Step 6: Final answer
    x = 20,777.70

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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.