Home / 13,880.13-19,154.84-7,592.64

Finding the Fourth Proportional to 13,880.13, 19,154.84 and 7,592.64

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Solution

The fourth proportional to 13,880.13, 19,154.84 and 7,592.64 is: 10,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.13 : 19,154.84 = 7,592.64 : x
  2. Step 2: Convert to fraction form
    13,880.13/19,154.84 = 7,592.64/x
  3. Step 3: Cross multiply
    13,880.13x = 19,154.84 × 7,592.64
  4. Step 4: Simplify right side
    13,880.13x = 145,435,804.38
  5. Step 5: Solve for x
    x = 145,435,804.38/13,880.13
  6. Step 6: Final answer
    x = 10,477.99

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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.