Home / 18,573.09-25,632.60-10,613.76

Finding the Fourth Proportional to 18,573.09, 25,632.60 and 10,613.76

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Solution

The fourth proportional to 18,573.09, 25,632.60 and 10,613.76 is: 14,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.09 : 25,632.60 = 10,613.76 : x
  2. Step 2: Convert to fraction form
    18,573.09/25,632.60 = 10,613.76/x
  3. Step 3: Cross multiply
    18,573.09x = 25,632.60 × 10,613.76
  4. Step 4: Simplify right side
    18,573.09x = 272,058,264.58
  5. Step 5: Solve for x
    x = 272,058,264.58/18,573.09
  6. Step 6: Final answer
    x = 14,647.98

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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.