Home / 18,316.68-25,282.98-10,762.88

Finding the Fourth Proportional to 18,316.68, 25,282.98 and 10,762.88

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Solution

The fourth proportional to 18,316.68, 25,282.98 and 10,762.88 is: 14,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.68 : 25,282.98 = 10,762.88 : x
  2. Step 2: Convert to fraction form
    18,316.68/25,282.98 = 10,762.88/x
  3. Step 3: Cross multiply
    18,316.68x = 25,282.98 × 10,762.88
  4. Step 4: Simplify right side
    18,316.68x = 272,117,679.78
  5. Step 5: Solve for x
    x = 272,117,679.78/18,316.68
  6. Step 6: Final answer
    x = 14,856.28

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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.