Home / 13,815.23-19,065.00-7,527.60

Finding the Fourth Proportional to 13,815.23, 19,065.00 and 7,527.60

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Solution

The fourth proportional to 13,815.23, 19,065.00 and 7,527.60 is: 10,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.23 : 19,065.00 = 7,527.60 : x
  2. Step 2: Convert to fraction form
    13,815.23/19,065.00 = 7,527.60/x
  3. Step 3: Cross multiply
    13,815.23x = 19,065.00 × 7,527.60
  4. Step 4: Simplify right side
    13,815.23x = 143,513,722.23
  5. Step 5: Solve for x
    x = 143,513,722.23/13,815.23
  6. Step 6: Final answer
    x = 10,388.08

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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.