Home / 13,752.11-18,995.04-10,603.62

Finding the Fourth Proportional to 13,752.11, 18,995.04 and 10,603.62

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Solution

The fourth proportional to 13,752.11, 18,995.04 and 10,603.62 is: 14,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.11 : 18,995.04 = 10,603.62 : x
  2. Step 2: Convert to fraction form
    13,752.11/18,995.04 = 10,603.62/x
  3. Step 3: Cross multiply
    13,752.11x = 18,995.04 × 10,603.62
  4. Step 4: Simplify right side
    13,752.11x = 201,416,186.04
  5. Step 5: Solve for x
    x = 201,416,186.04/13,752.11
  6. Step 6: Final answer
    x = 14,646.20

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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.