Home / 13,916.17-19,204.28-7,628.59

Finding the Fourth Proportional to 13,916.17, 19,204.28 and 7,628.59

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Solution

The fourth proportional to 13,916.17, 19,204.28 and 7,628.59 is: 10,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.17 : 19,204.28 = 7,628.59 : x
  2. Step 2: Convert to fraction form
    13,916.17/19,204.28 = 7,628.59/x
  3. Step 3: Cross multiply
    13,916.17x = 19,204.28 × 7,628.59
  4. Step 4: Simplify right side
    13,916.17x = 146,501,482.34
  5. Step 5: Solve for x
    x = 146,501,482.34/13,916.17
  6. Step 6: Final answer
    x = 10,527.43

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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.