Home / 13,527.95-18,667.67-7,558.45

Finding the Fourth Proportional to 13,527.95, 18,667.67 and 7,558.45

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Solution

The fourth proportional to 13,527.95, 18,667.67 and 7,558.45 is: 10,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.95 : 18,667.67 = 7,558.45 : x
  2. Step 2: Convert to fraction form
    13,527.95/18,667.67 = 7,558.45/x
  3. Step 3: Cross multiply
    13,527.95x = 18,667.67 × 7,558.45
  4. Step 4: Simplify right side
    13,527.95x = 141,098,565.85
  5. Step 5: Solve for x
    x = 141,098,565.85/13,527.95
  6. Step 6: Final answer
    x = 10,430.16

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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.