Home / 13,816.34-20,725.98-5,053.16

Finding the Fourth Proportional to 13,816.34, 20,725.98 and 5,053.16

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Solution

The fourth proportional to 13,816.34, 20,725.98 and 5,053.16 is: 7,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.34 : 20,725.98 = 5,053.16 : x
  2. Step 2: Convert to fraction form
    13,816.34/20,725.98 = 5,053.16/x
  3. Step 3: Cross multiply
    13,816.34x = 20,725.98 × 5,053.16
  4. Step 4: Simplify right side
    13,816.34x = 104,731,693.10
  5. Step 5: Solve for x
    x = 104,731,693.10/13,816.34
  6. Step 6: Final answer
    x = 7,580.28

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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.