Home / 13,058.01-18,019.67-9,536.13

Finding the Fourth Proportional to 13,058.01, 18,019.67 and 9,536.13

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Solution

The fourth proportional to 13,058.01, 18,019.67 and 9,536.13 is: 13,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.01 : 18,019.67 = 9,536.13 : x
  2. Step 2: Convert to fraction form
    13,058.01/18,019.67 = 9,536.13/x
  3. Step 3: Cross multiply
    13,058.01x = 18,019.67 × 9,536.13
  4. Step 4: Simplify right side
    13,058.01x = 171,837,868.00
  5. Step 5: Solve for x
    x = 171,837,868.00/13,058.01
  6. Step 6: Final answer
    x = 13,159.58

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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.