Home / 13,557.74-18,696.53-10,572.48

Finding the Fourth Proportional to 13,557.74, 18,696.53 and 10,572.48

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Solution

The fourth proportional to 13,557.74, 18,696.53 and 10,572.48 is: 14,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.74 : 18,696.53 = 10,572.48 : x
  2. Step 2: Convert to fraction form
    13,557.74/18,696.53 = 10,572.48/x
  3. Step 3: Cross multiply
    13,557.74x = 18,696.53 × 10,572.48
  4. Step 4: Simplify right side
    13,557.74x = 197,668,689.49
  5. Step 5: Solve for x
    x = 197,668,689.49/13,557.74
  6. Step 6: Final answer
    x = 14,579.77

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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.