Home / 19,875.47-29,812.90-5,084.26

Finding the Fourth Proportional to 19,875.47, 29,812.90 and 5,084.26

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Solution

The fourth proportional to 19,875.47, 29,812.90 and 5,084.26 is: 7,626.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.47 : 29,812.90 = 5,084.26 : x
  2. Step 2: Convert to fraction form
    19,875.47/29,812.90 = 5,084.26/x
  3. Step 3: Cross multiply
    19,875.47x = 29,812.90 × 5,084.26
  4. Step 4: Simplify right side
    19,875.47x = 151,576,522.24
  5. Step 5: Solve for x
    x = 151,576,522.24/19,875.47
  6. Step 6: Final answer
    x = 7,626.31

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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.