Home / 15,668.74-21,626.49-10,070.02

Finding the Fourth Proportional to 15,668.74, 21,626.49 and 10,070.02

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Solution

The fourth proportional to 15,668.74, 21,626.49 and 10,070.02 is: 13,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.74 : 21,626.49 = 10,070.02 : x
  2. Step 2: Convert to fraction form
    15,668.74/21,626.49 = 10,070.02/x
  3. Step 3: Cross multiply
    15,668.74x = 21,626.49 × 10,070.02
  4. Step 4: Simplify right side
    15,668.74x = 217,779,186.83
  5. Step 5: Solve for x
    x = 217,779,186.83/15,668.74
  6. Step 6: Final answer
    x = 13,898.96

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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.