Home / 14,386.09-19,852.57-8,012.51

Finding the Fourth Proportional to 14,386.09, 19,852.57 and 8,012.51

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Solution

The fourth proportional to 14,386.09, 19,852.57 and 8,012.51 is: 11,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.09 : 19,852.57 = 8,012.51 : x
  2. Step 2: Convert to fraction form
    14,386.09/19,852.57 = 8,012.51/x
  3. Step 3: Cross multiply
    14,386.09x = 19,852.57 × 8,012.51
  4. Step 4: Simplify right side
    14,386.09x = 159,068,915.65
  5. Step 5: Solve for x
    x = 159,068,915.65/14,386.09
  6. Step 6: Final answer
    x = 11,057.13

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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.