Home / 13,957.93-19,281.54-12,696.76

Finding the Fourth Proportional to 13,957.93, 19,281.54 and 12,696.76

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Solution

The fourth proportional to 13,957.93, 19,281.54 and 12,696.76 is: 17,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.93 : 19,281.54 = 12,696.76 : x
  2. Step 2: Convert to fraction form
    13,957.93/19,281.54 = 12,696.76/x
  3. Step 3: Cross multiply
    13,957.93x = 19,281.54 × 12,696.76
  4. Step 4: Simplify right side
    13,957.93x = 244,813,085.81
  5. Step 5: Solve for x
    x = 244,813,085.81/13,957.93
  6. Step 6: Final answer
    x = 17,539.35

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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.