Home / 13,055.65-18,016.29-7,087.16

Finding the Fourth Proportional to 13,055.65, 18,016.29 and 7,087.16

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Solution

The fourth proportional to 13,055.65, 18,016.29 and 7,087.16 is: 9,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.65 : 18,016.29 = 7,087.16 : x
  2. Step 2: Convert to fraction form
    13,055.65/18,016.29 = 7,087.16/x
  3. Step 3: Cross multiply
    13,055.65x = 18,016.29 × 7,087.16
  4. Step 4: Simplify right side
    13,055.65x = 127,684,374.88
  5. Step 5: Solve for x
    x = 127,684,374.88/13,055.65
  6. Step 6: Final answer
    x = 9,780.01

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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.