Home / 13,191.29-19,784.82-4,875.23

Finding the Fourth Proportional to 13,191.29, 19,784.82 and 4,875.23

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Solution

The fourth proportional to 13,191.29, 19,784.82 and 4,875.23 is: 7,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.29 : 19,784.82 = 4,875.23 : x
  2. Step 2: Convert to fraction form
    13,191.29/19,784.82 = 4,875.23/x
  3. Step 3: Cross multiply
    13,191.29x = 19,784.82 × 4,875.23
  4. Step 4: Simplify right side
    13,191.29x = 96,455,548.01
  5. Step 5: Solve for x
    x = 96,455,548.01/13,191.29
  6. Step 6: Final answer
    x = 7,312.06

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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.