Home / 19,515.74-26,922.85-12,437.75

Finding the Fourth Proportional to 19,515.74, 26,922.85 and 12,437.75

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Solution

The fourth proportional to 19,515.74, 26,922.85 and 12,437.75 is: 17,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.74 : 26,922.85 = 12,437.75 : x
  2. Step 2: Convert to fraction form
    19,515.74/26,922.85 = 12,437.75/x
  3. Step 3: Cross multiply
    19,515.74x = 26,922.85 × 12,437.75
  4. Step 4: Simplify right side
    19,515.74x = 334,859,713.80
  5. Step 5: Solve for x
    x = 334,859,713.80/19,515.74
  6. Step 6: Final answer
    x = 17,158.45

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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.