Home / 26,416.60-39,642.08-11,438.35

Finding the Fourth Proportional to 26,416.60, 39,642.08 and 11,438.35

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Solution

The fourth proportional to 26,416.60, 39,642.08 and 11,438.35 is: 17,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.60 : 39,642.08 = 11,438.35 : x
  2. Step 2: Convert to fraction form
    26,416.60/39,642.08 = 11,438.35/x
  3. Step 3: Cross multiply
    26,416.60x = 39,642.08 × 11,438.35
  4. Step 4: Simplify right side
    26,416.60x = 453,439,985.77
  5. Step 5: Solve for x
    x = 453,439,985.77/26,416.60
  6. Step 6: Final answer
    x = 17,164.96

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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.