Home / 13,784.04-19,022.10-7,496.40

Finding the Fourth Proportional to 13,784.04, 19,022.10 and 7,496.40

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Solution

The fourth proportional to 13,784.04, 19,022.10 and 7,496.40 is: 10,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.04 : 19,022.10 = 7,496.40 : x
  2. Step 2: Convert to fraction form
    13,784.04/19,022.10 = 7,496.40/x
  3. Step 3: Cross multiply
    13,784.04x = 19,022.10 × 7,496.40
  4. Step 4: Simplify right side
    13,784.04x = 142,597,270.44
  5. Step 5: Solve for x
    x = 142,597,270.44/13,784.04
  6. Step 6: Final answer
    x = 10,345.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.