Home / 13,475.18-18,595.16-7,507.50

Finding the Fourth Proportional to 13,475.18, 18,595.16 and 7,507.50

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Solution

The fourth proportional to 13,475.18, 18,595.16 and 7,507.50 is: 10,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.18 : 18,595.16 = 7,507.50 : x
  2. Step 2: Convert to fraction form
    13,475.18/18,595.16 = 7,507.50/x
  3. Step 3: Cross multiply
    13,475.18x = 18,595.16 × 7,507.50
  4. Step 4: Simplify right side
    13,475.18x = 139,603,163.70
  5. Step 5: Solve for x
    x = 139,603,163.70/13,475.18
  6. Step 6: Final answer
    x = 10,360.02

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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.