Home / 18,303.17-25,258.13-10,345.22

Finding the Fourth Proportional to 18,303.17, 25,258.13 and 10,345.22

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Solution

The fourth proportional to 18,303.17, 25,258.13 and 10,345.22 is: 14,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.17 : 25,258.13 = 10,345.22 : x
  2. Step 2: Convert to fraction form
    18,303.17/25,258.13 = 10,345.22/x
  3. Step 3: Cross multiply
    18,303.17x = 25,258.13 × 10,345.22
  4. Step 4: Simplify right side
    18,303.17x = 261,300,867.13
  5. Step 5: Solve for x
    x = 261,300,867.13/18,303.17
  6. Step 6: Final answer
    x = 14,276.27

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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.