Home / 27,180.93-37,492.43-19,638.35

Finding the Fourth Proportional to 27,180.93, 37,492.43 and 19,638.35

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Solution

The fourth proportional to 27,180.93, 37,492.43 and 19,638.35 is: 27,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.93 : 37,492.43 = 19,638.35 : x
  2. Step 2: Convert to fraction form
    27,180.93/37,492.43 = 19,638.35/x
  3. Step 3: Cross multiply
    27,180.93x = 37,492.43 × 19,638.35
  4. Step 4: Simplify right side
    27,180.93x = 736,289,177.04
  5. Step 5: Solve for x
    x = 736,289,177.04/27,180.93
  6. Step 6: Final answer
    x = 27,088.45

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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.