Home / 18,307.51-25,260.12-10,753.45

Finding the Fourth Proportional to 18,307.51, 25,260.12 and 10,753.45

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Solution

The fourth proportional to 18,307.51, 25,260.12 and 10,753.45 is: 14,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.51 : 25,260.12 = 10,753.45 : x
  2. Step 2: Convert to fraction form
    18,307.51/25,260.12 = 10,753.45/x
  3. Step 3: Cross multiply
    18,307.51x = 25,260.12 × 10,753.45
  4. Step 4: Simplify right side
    18,307.51x = 271,633,437.41
  5. Step 5: Solve for x
    x = 271,633,437.41/18,307.51
  6. Step 6: Final answer
    x = 14,837.27

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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.