Home / 26,315.75-36,314.67-15,567.59

Finding the Fourth Proportional to 26,315.75, 36,314.67 and 15,567.59

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Solution

The fourth proportional to 26,315.75, 36,314.67 and 15,567.59 is: 21,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.75 : 36,314.67 = 15,567.59 : x
  2. Step 2: Convert to fraction form
    26,315.75/36,314.67 = 15,567.59/x
  3. Step 3: Cross multiply
    26,315.75x = 36,314.67 × 15,567.59
  4. Step 4: Simplify right side
    26,315.75x = 565,331,893.55
  5. Step 5: Solve for x
    x = 565,331,893.55/26,315.75
  6. Step 6: Final answer
    x = 21,482.64

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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.