Home / 18,303.31-25,259.61-10,346.23

Finding the Fourth Proportional to 18,303.31, 25,259.61 and 10,346.23

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Solution

The fourth proportional to 18,303.31, 25,259.61 and 10,346.23 is: 14,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.31 : 25,259.61 = 10,346.23 : x
  2. Step 2: Convert to fraction form
    18,303.31/25,259.61 = 10,346.23/x
  3. Step 3: Cross multiply
    18,303.31x = 25,259.61 × 10,346.23
  4. Step 4: Simplify right side
    18,303.31x = 261,341,734.77
  5. Step 5: Solve for x
    x = 261,341,734.77/18,303.31
  6. Step 6: Final answer
    x = 14,278.39

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Half scale
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Double scale
Find fourth proportional to 18,304.31, 25,260.99 and 10,347.23
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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.