Home / 27,646.32-38,151.83-15,071.07

Finding the Fourth Proportional to 27,646.32, 38,151.83 and 15,071.07

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Solution

The fourth proportional to 27,646.32, 38,151.83 and 15,071.07 is: 20,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.32 : 38,151.83 = 15,071.07 : x
  2. Step 2: Convert to fraction form
    27,646.32/38,151.83 = 15,071.07/x
  3. Step 3: Cross multiply
    27,646.32x = 38,151.83 × 15,071.07
  4. Step 4: Simplify right side
    27,646.32x = 574,988,938.24
  5. Step 5: Solve for x
    x = 574,988,938.24/27,646.32
  6. Step 6: Final answer
    x = 20,798.03

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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.