Home / 15,409.48-21,263.70-8,693.32

Finding the Fourth Proportional to 15,409.48, 21,263.70 and 8,693.32

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Solution

The fourth proportional to 15,409.48, 21,263.70 and 8,693.32 is: 11,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.48 : 21,263.70 = 8,693.32 : x
  2. Step 2: Convert to fraction form
    15,409.48/21,263.70 = 8,693.32/x
  3. Step 3: Cross multiply
    15,409.48x = 21,263.70 × 8,693.32
  4. Step 4: Simplify right side
    15,409.48x = 184,852,148.48
  5. Step 5: Solve for x
    x = 184,852,148.48/15,409.48
  6. Step 6: Final answer
    x = 11,996.00

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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.