Home / 13,527.23-18,667.22-7,558.95

Finding the Fourth Proportional to 13,527.23, 18,667.22 and 7,558.95

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Solution

The fourth proportional to 13,527.23, 18,667.22 and 7,558.95 is: 10,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.23 : 18,667.22 = 7,558.95 : x
  2. Step 2: Convert to fraction form
    13,527.23/18,667.22 = 7,558.95/x
  3. Step 3: Cross multiply
    13,527.23x = 18,667.22 × 7,558.95
  4. Step 4: Simplify right side
    13,527.23x = 141,104,613.81
  5. Step 5: Solve for x
    x = 141,104,613.81/13,527.23
  6. Step 6: Final answer
    x = 10,431.15

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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.