Home / 15,090.29-22,649.54-7,700.06

Finding the Fourth Proportional to 15,090.29, 22,649.54 and 7,700.06

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Solution

The fourth proportional to 15,090.29, 22,649.54 and 7,700.06 is: 11,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.29 : 22,649.54 = 7,700.06 : x
  2. Step 2: Convert to fraction form
    15,090.29/22,649.54 = 7,700.06/x
  3. Step 3: Cross multiply
    15,090.29x = 22,649.54 × 7,700.06
  4. Step 4: Simplify right side
    15,090.29x = 174,402,665.22
  5. Step 5: Solve for x
    x = 174,402,665.22/15,090.29
  6. Step 6: Final answer
    x = 11,557.28

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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.