Home / 13,595.74-18,762.30-7,627.05

Finding the Fourth Proportional to 13,595.74, 18,762.30 and 7,627.05

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Solution

The fourth proportional to 13,595.74, 18,762.30 and 7,627.05 is: 10,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.74 : 18,762.30 = 7,627.05 : x
  2. Step 2: Convert to fraction form
    13,595.74/18,762.30 = 7,627.05/x
  3. Step 3: Cross multiply
    13,595.74x = 18,762.30 × 7,627.05
  4. Step 4: Simplify right side
    13,595.74x = 143,101,000.22
  5. Step 5: Solve for x
    x = 143,101,000.22/13,595.74
  6. Step 6: Final answer
    x = 10,525.43

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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.