Home / 19,952.07-27,528.88-12,681.51

Finding the Fourth Proportional to 19,952.07, 27,528.88 and 12,681.51

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Solution

The fourth proportional to 19,952.07, 27,528.88 and 12,681.51 is: 17,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.07 : 27,528.88 = 12,681.51 : x
  2. Step 2: Convert to fraction form
    19,952.07/27,528.88 = 12,681.51/x
  3. Step 3: Cross multiply
    19,952.07x = 27,528.88 × 12,681.51
  4. Step 4: Simplify right side
    19,952.07x = 349,107,767.01
  5. Step 5: Solve for x
    x = 349,107,767.01/19,952.07
  6. Step 6: Final answer
    x = 17,497.32

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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.