Home / 18,130.86-25,020.36-10,173.24

Finding the Fourth Proportional to 18,130.86, 25,020.36 and 10,173.24

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Solution

The fourth proportional to 18,130.86, 25,020.36 and 10,173.24 is: 14,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.86 : 25,020.36 = 10,173.24 : x
  2. Step 2: Convert to fraction form
    18,130.86/25,020.36 = 10,173.24/x
  3. Step 3: Cross multiply
    18,130.86x = 25,020.36 × 10,173.24
  4. Step 4: Simplify right side
    18,130.86x = 254,538,127.17
  5. Step 5: Solve for x
    x = 254,538,127.17/18,130.86
  6. Step 6: Final answer
    x = 14,038.94

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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.