Home / 14,348.91-21,526.83-4,987.57

Finding the Fourth Proportional to 14,348.91, 21,526.83 and 4,987.57

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Solution

The fourth proportional to 14,348.91, 21,526.83 and 4,987.57 is: 7,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.91 : 21,526.83 = 4,987.57 : x
  2. Step 2: Convert to fraction form
    14,348.91/21,526.83 = 4,987.57/x
  3. Step 3: Cross multiply
    14,348.91x = 21,526.83 × 4,987.57
  4. Step 4: Simplify right side
    14,348.91x = 107,366,571.50
  5. Step 5: Solve for x
    x = 107,366,571.50/14,348.91
  6. Step 6: Final answer
    x = 7,482.56

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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.