Home / 14,533.36-20,055.76-8,160.08

Finding the Fourth Proportional to 14,533.36, 20,055.76 and 8,160.08

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Solution

The fourth proportional to 14,533.36, 20,055.76 and 8,160.08 is: 11,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,533.36 : 20,055.76 = 8,160.08 : x
  2. Step 2: Convert to fraction form
    14,533.36/20,055.76 = 8,160.08/x
  3. Step 3: Cross multiply
    14,533.36x = 20,055.76 × 8,160.08
  4. Step 4: Simplify right side
    14,533.36x = 163,656,606.06
  5. Step 5: Solve for x
    x = 163,656,606.06/14,533.36
  6. Step 6: Final answer
    x = 11,260.75

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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.