Home / 13,973.44-19,282.64-7,686.08

Finding the Fourth Proportional to 13,973.44, 19,282.64 and 7,686.08

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Solution

The fourth proportional to 13,973.44, 19,282.64 and 7,686.08 is: 10,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.44 : 19,282.64 = 7,686.08 : x
  2. Step 2: Convert to fraction form
    13,973.44/19,282.64 = 7,686.08/x
  3. Step 3: Cross multiply
    13,973.44x = 19,282.64 × 7,686.08
  4. Step 4: Simplify right side
    13,973.44x = 148,207,913.65
  5. Step 5: Solve for x
    x = 148,207,913.65/13,973.44
  6. Step 6: Final answer
    x = 10,606.40

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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.