Home / 19,113.16-26,385.08-12,750.36

Finding the Fourth Proportional to 19,113.16, 26,385.08 and 12,750.36

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Solution

The fourth proportional to 19,113.16, 26,385.08 and 12,750.36 is: 17,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.16 : 26,385.08 = 12,750.36 : x
  2. Step 2: Convert to fraction form
    19,113.16/26,385.08 = 12,750.36/x
  3. Step 3: Cross multiply
    19,113.16x = 26,385.08 × 12,750.36
  4. Step 4: Simplify right side
    19,113.16x = 336,419,268.63
  5. Step 5: Solve for x
    x = 336,419,268.63/19,113.16
  6. Step 6: Final answer
    x = 17,601.45

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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.