Home / 19,875.05-29,812.73-5,835.30

Finding the Fourth Proportional to 19,875.05, 29,812.73 and 5,835.30

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Solution

The fourth proportional to 19,875.05, 29,812.73 and 5,835.30 is: 8,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.05 : 29,812.73 = 5,835.30 : x
  2. Step 2: Convert to fraction form
    19,875.05/29,812.73 = 5,835.30/x
  3. Step 3: Cross multiply
    19,875.05x = 29,812.73 × 5,835.30
  4. Step 4: Simplify right side
    19,875.05x = 173,966,194.19
  5. Step 5: Solve for x
    x = 173,966,194.19/19,875.05
  6. Step 6: Final answer
    x = 8,753.00

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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.