Home / 27,515.51-37,953.76-18,897.53

Finding the Fourth Proportional to 27,515.51, 37,953.76 and 18,897.53

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Solution

The fourth proportional to 27,515.51, 37,953.76 and 18,897.53 is: 26,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.51 : 37,953.76 = 18,897.53 : x
  2. Step 2: Convert to fraction form
    27,515.51/37,953.76 = 18,897.53/x
  3. Step 3: Cross multiply
    27,515.51x = 37,953.76 × 18,897.53
  4. Step 4: Simplify right side
    27,515.51x = 717,232,318.21
  5. Step 5: Solve for x
    x = 717,232,318.21/27,515.51
  6. Step 6: Final answer
    x = 26,066.47

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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.