Home / 18,514.17-25,549.47-10,130.67

Finding the Fourth Proportional to 18,514.17, 25,549.47 and 10,130.67

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Solution

The fourth proportional to 18,514.17, 25,549.47 and 10,130.67 is: 13,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.17 : 25,549.47 = 10,130.67 : x
  2. Step 2: Convert to fraction form
    18,514.17/25,549.47 = 10,130.67/x
  3. Step 3: Cross multiply
    18,514.17x = 25,549.47 × 10,130.67
  4. Step 4: Simplify right side
    18,514.17x = 258,833,249.24
  5. Step 5: Solve for x
    x = 258,833,249.24/18,514.17
  6. Step 6: Final answer
    x = 13,980.28

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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.