Home / 13,122.10-19,685.95-4,802.08

Finding the Fourth Proportional to 13,122.10, 19,685.95 and 4,802.08

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Solution

The fourth proportional to 13,122.10, 19,685.95 and 4,802.08 is: 7,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.10 : 19,685.95 = 4,802.08 : x
  2. Step 2: Convert to fraction form
    13,122.10/19,685.95 = 4,802.08/x
  3. Step 3: Cross multiply
    13,122.10x = 19,685.95 × 4,802.08
  4. Step 4: Simplify right side
    13,122.10x = 94,533,506.78
  5. Step 5: Solve for x
    x = 94,533,506.78/13,122.10
  6. Step 6: Final answer
    x = 7,204.14

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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.