Home / 13,870.08-19,140.48-7,583.04

Finding the Fourth Proportional to 13,870.08, 19,140.48 and 7,583.04

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Solution

The fourth proportional to 13,870.08, 19,140.48 and 7,583.04 is: 10,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.08 : 19,140.48 = 7,583.04 : x
  2. Step 2: Convert to fraction form
    13,870.08/19,140.48 = 7,583.04/x
  3. Step 3: Cross multiply
    13,870.08x = 19,140.48 × 7,583.04
  4. Step 4: Simplify right side
    13,870.08x = 145,143,025.46
  5. Step 5: Solve for x
    x = 145,143,025.46/13,870.08
  6. Step 6: Final answer
    x = 10,464.47

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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.