Home / 19,329.53-26,668.67-10,830.51

Finding the Fourth Proportional to 19,329.53, 26,668.67 and 10,830.51

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Solution

The fourth proportional to 19,329.53, 26,668.67 and 10,830.51 is: 14,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.53 : 26,668.67 = 10,830.51 : x
  2. Step 2: Convert to fraction form
    19,329.53/26,668.67 = 10,830.51/x
  3. Step 3: Cross multiply
    19,329.53x = 26,668.67 × 10,830.51
  4. Step 4: Simplify right side
    19,329.53x = 288,835,242.97
  5. Step 5: Solve for x
    x = 288,835,242.97/19,329.53
  6. Step 6: Final answer
    x = 14,942.70

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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.