Home / 13,155.02-19,737.80-5,362.02

Finding the Fourth Proportional to 13,155.02, 19,737.80 and 5,362.02

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Solution

The fourth proportional to 13,155.02, 19,737.80 and 5,362.02 is: 8,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.02 : 19,737.80 = 5,362.02 : x
  2. Step 2: Convert to fraction form
    13,155.02/19,737.80 = 5,362.02/x
  3. Step 3: Cross multiply
    13,155.02x = 19,737.80 × 5,362.02
  4. Step 4: Simplify right side
    13,155.02x = 105,834,478.36
  5. Step 5: Solve for x
    x = 105,834,478.36/13,155.02
  6. Step 6: Final answer
    x = 8,045.18

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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.