Home / 13,263.18-18,303.21-7,295.25

Finding the Fourth Proportional to 13,263.18, 18,303.21 and 7,295.25

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Solution

The fourth proportional to 13,263.18, 18,303.21 and 7,295.25 is: 10,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.18 : 18,303.21 = 7,295.25 : x
  2. Step 2: Convert to fraction form
    13,263.18/18,303.21 = 7,295.25/x
  3. Step 3: Cross multiply
    13,263.18x = 18,303.21 × 7,295.25
  4. Step 4: Simplify right side
    13,263.18x = 133,526,492.75
  5. Step 5: Solve for x
    x = 133,526,492.75/13,263.18
  6. Step 6: Final answer
    x = 10,067.46

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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.