Home / 13,271.56-18,314.84-7,303.07

Finding the Fourth Proportional to 13,271.56, 18,314.84 and 7,303.07

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Solution

The fourth proportional to 13,271.56, 18,314.84 and 7,303.07 is: 10,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.56 : 18,314.84 = 7,303.07 : x
  2. Step 2: Convert to fraction form
    13,271.56/18,314.84 = 7,303.07/x
  3. Step 3: Cross multiply
    13,271.56x = 18,314.84 × 7,303.07
  4. Step 4: Simplify right side
    13,271.56x = 133,754,567.83
  5. Step 5: Solve for x
    x = 133,754,567.83/13,271.56
  6. Step 6: Final answer
    x = 10,078.29

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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.