Home / 28,068.02-38,668.07-19,554.74

Finding the Fourth Proportional to 28,068.02, 38,668.07 and 19,554.74

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Solution

The fourth proportional to 28,068.02, 38,668.07 and 19,554.74 is: 26,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.02 : 38,668.07 = 19,554.74 : x
  2. Step 2: Convert to fraction form
    28,068.02/38,668.07 = 19,554.74/x
  3. Step 3: Cross multiply
    28,068.02x = 38,668.07 × 19,554.74
  4. Step 4: Simplify right side
    28,068.02x = 756,144,176.27
  5. Step 5: Solve for x
    x = 756,144,176.27/28,068.02
  6. Step 6: Final answer
    x = 26,939.71

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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.