Home / 13,245.58-19,871.56-4,925.86

Finding the Fourth Proportional to 13,245.58, 19,871.56 and 4,925.86

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Solution

The fourth proportional to 13,245.58, 19,871.56 and 4,925.86 is: 7,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.58 : 19,871.56 = 4,925.86 : x
  2. Step 2: Convert to fraction form
    13,245.58/19,871.56 = 4,925.86/x
  3. Step 3: Cross multiply
    13,245.58x = 19,871.56 × 4,925.86
  4. Step 4: Simplify right side
    13,245.58x = 97,884,522.54
  5. Step 5: Solve for x
    x = 97,884,522.54/13,245.58
  6. Step 6: Final answer
    x = 7,389.98

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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.