Home / 16,771.51-25,157.49-4,291.63

Finding the Fourth Proportional to 16,771.51, 25,157.49 and 4,291.63

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Solution

The fourth proportional to 16,771.51, 25,157.49 and 4,291.63 is: 6,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.51 : 25,157.49 = 4,291.63 : x
  2. Step 2: Convert to fraction form
    16,771.51/25,157.49 = 4,291.63/x
  3. Step 3: Cross multiply
    16,771.51x = 25,157.49 × 4,291.63
  4. Step 4: Simplify right side
    16,771.51x = 107,966,638.81
  5. Step 5: Solve for x
    x = 107,966,638.81/16,771.51
  6. Step 6: Final answer
    x = 6,437.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.