Home / 35,388.08-53,088.64-11,696.80

Finding the Fourth Proportional to 35,388.08, 53,088.64 and 11,696.80

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Solution

The fourth proportional to 35,388.08, 53,088.64 and 11,696.80 is: 17,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.08 : 53,088.64 = 11,696.80 : x
  2. Step 2: Convert to fraction form
    35,388.08/53,088.64 = 11,696.80/x
  3. Step 3: Cross multiply
    35,388.08x = 53,088.64 × 11,696.80
  4. Step 4: Simplify right side
    35,388.08x = 620,967,204.35
  5. Step 5: Solve for x
    x = 620,967,204.35/35,388.08
  6. Step 6: Final answer
    x = 17,547.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.