Home / 43,260.41-64,885.05-13,681.24

Finding the Fourth Proportional to 43,260.41, 64,885.05 and 13,681.24

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Solution

The fourth proportional to 43,260.41, 64,885.05 and 13,681.24 is: 20,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.41 : 64,885.05 = 13,681.24 : x
  2. Step 2: Convert to fraction form
    43,260.41/64,885.05 = 13,681.24/x
  3. Step 3: Cross multiply
    43,260.41x = 64,885.05 × 13,681.24
  4. Step 4: Simplify right side
    43,260.41x = 887,707,779.25
  5. Step 5: Solve for x
    x = 887,707,779.25/43,260.41
  6. Step 6: Final answer
    x = 20,520.10

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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.