Home / 15,246.40-21,050.40-11,703.36

Finding the Fourth Proportional to 15,246.40, 21,050.40 and 11,703.36

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Solution

The fourth proportional to 15,246.40, 21,050.40 and 11,703.36 is: 16,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.40 : 21,050.40 = 11,703.36 : x
  2. Step 2: Convert to fraction form
    15,246.40/21,050.40 = 11,703.36/x
  3. Step 3: Cross multiply
    15,246.40x = 21,050.40 × 11,703.36
  4. Step 4: Simplify right side
    15,246.40x = 246,360,409.34
  5. Step 5: Solve for x
    x = 246,360,409.34/15,246.40
  6. Step 6: Final answer
    x = 16,158.60

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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.