Home / 19,955.65-27,536.61-11,455.51

Finding the Fourth Proportional to 19,955.65, 27,536.61 and 11,455.51

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Solution

The fourth proportional to 19,955.65, 27,536.61 and 11,455.51 is: 15,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.65 : 27,536.61 = 11,455.51 : x
  2. Step 2: Convert to fraction form
    19,955.65/27,536.61 = 11,455.51/x
  3. Step 3: Cross multiply
    19,955.65x = 27,536.61 × 11,455.51
  4. Step 4: Simplify right side
    19,955.65x = 315,445,911.22
  5. Step 5: Solve for x
    x = 315,445,911.22/19,955.65
  6. Step 6: Final answer
    x = 15,807.35

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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.