Home / 18,373.40-25,356.66-11,302.28

Finding the Fourth Proportional to 18,373.40, 25,356.66 and 11,302.28

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Solution

The fourth proportional to 18,373.40, 25,356.66 and 11,302.28 is: 15,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.40 : 25,356.66 = 11,302.28 : x
  2. Step 2: Convert to fraction form
    18,373.40/25,356.66 = 11,302.28/x
  3. Step 3: Cross multiply
    18,373.40x = 25,356.66 × 11,302.28
  4. Step 4: Simplify right side
    18,373.40x = 286,588,071.18
  5. Step 5: Solve for x
    x = 286,588,071.18/18,373.40
  6. Step 6: Final answer
    x = 15,597.99

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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.