Home / 18,464.49-25,483.93-10,509.28

Finding the Fourth Proportional to 18,464.49, 25,483.93 and 10,509.28

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Solution

The fourth proportional to 18,464.49, 25,483.93 and 10,509.28 is: 14,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.49 : 25,483.93 = 10,509.28 : x
  2. Step 2: Convert to fraction form
    18,464.49/25,483.93 = 10,509.28/x
  3. Step 3: Cross multiply
    18,464.49x = 25,483.93 × 10,509.28
  4. Step 4: Simplify right side
    18,464.49x = 267,817,665.89
  5. Step 5: Solve for x
    x = 267,817,665.89/18,464.49
  6. Step 6: Final answer
    x = 14,504.47

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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.