Home / 18,384.55-25,370.59-10,001.05

Finding the Fourth Proportional to 18,384.55, 25,370.59 and 10,001.05

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Solution

The fourth proportional to 18,384.55, 25,370.59 and 10,001.05 is: 13,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.55 : 25,370.59 = 10,001.05 : x
  2. Step 2: Convert to fraction form
    18,384.55/25,370.59 = 10,001.05/x
  3. Step 3: Cross multiply
    18,384.55x = 25,370.59 × 10,001.05
  4. Step 4: Simplify right side
    18,384.55x = 253,732,539.12
  5. Step 5: Solve for x
    x = 253,732,539.12/18,384.55
  6. Step 6: Final answer
    x = 13,801.40

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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.