Home / 13,916.68-19,205.51-7,948.26

Finding the Fourth Proportional to 13,916.68, 19,205.51 and 7,948.26

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Solution

The fourth proportional to 13,916.68, 19,205.51 and 7,948.26 is: 10,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.68 : 19,205.51 = 7,948.26 : x
  2. Step 2: Convert to fraction form
    13,916.68/19,205.51 = 7,948.26/x
  3. Step 3: Cross multiply
    13,916.68x = 19,205.51 × 7,948.26
  4. Step 4: Simplify right side
    13,916.68x = 152,650,347.17
  5. Step 5: Solve for x
    x = 152,650,347.17/13,916.68
  6. Step 6: Final answer
    x = 10,968.88

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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.