Home / 19,113.16-26,385.06-12,750.34

Finding the Fourth Proportional to 19,113.16, 26,385.06 and 12,750.34

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Solution

The fourth proportional to 19,113.16, 26,385.06 and 12,750.34 is: 17,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.16 : 26,385.06 = 12,750.34 : x
  2. Step 2: Convert to fraction form
    19,113.16/26,385.06 = 12,750.34/x
  3. Step 3: Cross multiply
    19,113.16x = 26,385.06 × 12,750.34
  4. Step 4: Simplify right side
    19,113.16x = 336,418,485.92
  5. Step 5: Solve for x
    x = 336,418,485.92/19,113.16
  6. Step 6: Final answer
    x = 17,601.41

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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.