Home / 13,062.54-18,031.47-9,085.96

Finding the Fourth Proportional to 13,062.54, 18,031.47 and 9,085.96

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Solution

The fourth proportional to 13,062.54, 18,031.47 and 9,085.96 is: 12,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.54 : 18,031.47 = 9,085.96 : x
  2. Step 2: Convert to fraction form
    13,062.54/18,031.47 = 9,085.96/x
  3. Step 3: Cross multiply
    13,062.54x = 18,031.47 × 9,085.96
  4. Step 4: Simplify right side
    13,062.54x = 163,833,242.16
  5. Step 5: Solve for x
    x = 163,833,242.16/13,062.54
  6. Step 6: Final answer
    x = 12,542.22

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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.