Home / 18,280.58-25,227.21-9,897.08

Finding the Fourth Proportional to 18,280.58, 25,227.21 and 9,897.08

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Solution

The fourth proportional to 18,280.58, 25,227.21 and 9,897.08 is: 13,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.58 : 25,227.21 = 9,897.08 : x
  2. Step 2: Convert to fraction form
    18,280.58/25,227.21 = 9,897.08/x
  3. Step 3: Cross multiply
    18,280.58x = 25,227.21 × 9,897.08
  4. Step 4: Simplify right side
    18,280.58x = 249,675,715.55
  5. Step 5: Solve for x
    x = 249,675,715.55/18,280.58
  6. Step 6: Final answer
    x = 13,657.98

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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.