Home / 13,526.19-20,289.29-4,759.09

Finding the Fourth Proportional to 13,526.19, 20,289.29 and 4,759.09

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Solution

The fourth proportional to 13,526.19, 20,289.29 and 4,759.09 is: 7,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.19 : 20,289.29 = 4,759.09 : x
  2. Step 2: Convert to fraction form
    13,526.19/20,289.29 = 4,759.09/x
  3. Step 3: Cross multiply
    13,526.19x = 20,289.29 × 4,759.09
  4. Step 4: Simplify right side
    13,526.19x = 96,558,482.63
  5. Step 5: Solve for x
    x = 96,558,482.63/13,526.19
  6. Step 6: Final answer
    x = 7,138.63

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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.