Home / 13,057.26-18,019.14-7,088.94

Finding the Fourth Proportional to 13,057.26, 18,019.14 and 7,088.94

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Solution

The fourth proportional to 13,057.26, 18,019.14 and 7,088.94 is: 9,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.26 : 18,019.14 = 7,088.94 : x
  2. Step 2: Convert to fraction form
    13,057.26/18,019.14 = 7,088.94/x
  3. Step 3: Cross multiply
    13,057.26x = 18,019.14 × 7,088.94
  4. Step 4: Simplify right side
    13,057.26x = 127,736,602.31
  5. Step 5: Solve for x
    x = 127,736,602.31/13,057.26
  6. Step 6: Final answer
    x = 9,782.80

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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.