Home / 13,125.15-19,693.08-9,632.91

Finding the Fourth Proportional to 13,125.15, 19,693.08 and 9,632.91

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Solution

The fourth proportional to 13,125.15, 19,693.08 and 9,632.91 is: 14,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.15 : 19,693.08 = 9,632.91 : x
  2. Step 2: Convert to fraction form
    13,125.15/19,693.08 = 9,632.91/x
  3. Step 3: Cross multiply
    13,125.15x = 19,693.08 × 9,632.91
  4. Step 4: Simplify right side
    13,125.15x = 189,701,667.26
  5. Step 5: Solve for x
    x = 189,701,667.26/13,125.15
  6. Step 6: Final answer
    x = 14,453.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.