Home / 26,639.84-39,964.10-10,001.18

Finding the Fourth Proportional to 26,639.84, 39,964.10 and 10,001.18

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Solution

The fourth proportional to 26,639.84, 39,964.10 and 10,001.18 is: 15,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.84 : 39,964.10 = 10,001.18 : x
  2. Step 2: Convert to fraction form
    26,639.84/39,964.10 = 10,001.18/x
  3. Step 3: Cross multiply
    26,639.84x = 39,964.10 × 10,001.18
  4. Step 4: Simplify right side
    26,639.84x = 399,688,157.64
  5. Step 5: Solve for x
    x = 399,688,157.64/26,639.84
  6. Step 6: Final answer
    x = 15,003.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.