Home / 13,075.16-19,489.58-12,025.40

Finding the Fourth Proportional to 13,075.16, 19,489.58 and 12,025.40

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Solution

The fourth proportional to 13,075.16, 19,489.58 and 12,025.40 is: 17,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.16 : 19,489.58 = 12,025.40 : x
  2. Step 2: Convert to fraction form
    13,075.16/19,489.58 = 12,025.40/x
  3. Step 3: Cross multiply
    13,075.16x = 19,489.58 × 12,025.40
  4. Step 4: Simplify right side
    13,075.16x = 234,369,995.33
  5. Step 5: Solve for x
    x = 234,369,995.33/13,075.16
  6. Step 6: Final answer
    x = 17,924.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.