Home / 13,535.99-18,680.06-7,567.67

Finding the Fourth Proportional to 13,535.99, 18,680.06 and 7,567.67

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Solution

The fourth proportional to 13,535.99, 18,680.06 and 7,567.67 is: 10,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.99 : 18,680.06 = 7,567.67 : x
  2. Step 2: Convert to fraction form
    13,535.99/18,680.06 = 7,567.67/x
  3. Step 3: Cross multiply
    13,535.99x = 18,680.06 × 7,567.67
  4. Step 4: Simplify right side
    13,535.99x = 141,364,538.52
  5. Step 5: Solve for x
    x = 141,364,538.52/13,535.99
  6. Step 6: Final answer
    x = 10,443.60

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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.