Home / 15,606.32-21,536.73-8,533.40

Finding the Fourth Proportional to 15,606.32, 21,536.73 and 8,533.40

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Solution

The fourth proportional to 15,606.32, 21,536.73 and 8,533.40 is: 11,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.32 : 21,536.73 = 8,533.40 : x
  2. Step 2: Convert to fraction form
    15,606.32/21,536.73 = 8,533.40/x
  3. Step 3: Cross multiply
    15,606.32x = 21,536.73 × 8,533.40
  4. Step 4: Simplify right side
    15,606.32x = 183,781,531.78
  5. Step 5: Solve for x
    x = 183,781,531.78/15,606.32
  6. Step 6: Final answer
    x = 11,776.10

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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.