Home / 13,840.34-19,108.86-10,648.00

Finding the Fourth Proportional to 13,840.34, 19,108.86 and 10,648.00

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Solution

The fourth proportional to 13,840.34, 19,108.86 and 10,648.00 is: 14,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.34 : 19,108.86 = 10,648.00 : x
  2. Step 2: Convert to fraction form
    13,840.34/19,108.86 = 10,648.00/x
  3. Step 3: Cross multiply
    13,840.34x = 19,108.86 × 10,648.00
  4. Step 4: Simplify right side
    13,840.34x = 203,471,125.24
  5. Step 5: Solve for x
    x = 203,471,125.24/13,840.34
  6. Step 6: Final answer
    x = 14,701.32

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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.