Home / 19,146.48-26,435.16-14,111.28

Finding the Fourth Proportional to 19,146.48, 26,435.16 and 14,111.28

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Solution

The fourth proportional to 19,146.48, 26,435.16 and 14,111.28 is: 19,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.48 : 26,435.16 = 14,111.28 : x
  2. Step 2: Convert to fraction form
    19,146.48/26,435.16 = 14,111.28/x
  3. Step 3: Cross multiply
    19,146.48x = 26,435.16 × 14,111.28
  4. Step 4: Simplify right side
    19,146.48x = 373,033,944.60
  5. Step 5: Solve for x
    x = 373,033,944.60/19,146.48
  6. Step 6: Final answer
    x = 19,483.16

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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.