Home / 18,740.58-25,861.05-10,355.46

Finding the Fourth Proportional to 18,740.58, 25,861.05 and 10,355.46

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Solution

The fourth proportional to 18,740.58, 25,861.05 and 10,355.46 is: 14,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.58 : 25,861.05 = 10,355.46 : x
  2. Step 2: Convert to fraction form
    18,740.58/25,861.05 = 10,355.46/x
  3. Step 3: Cross multiply
    18,740.58x = 25,861.05 × 10,355.46
  4. Step 4: Simplify right side
    18,740.58x = 267,803,068.83
  5. Step 5: Solve for x
    x = 267,803,068.83/18,740.58
  6. Step 6: Final answer
    x = 14,290.01

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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.