Home / 19,040.64-26,276.04-10,543.20

Finding the Fourth Proportional to 19,040.64, 26,276.04 and 10,543.20

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Solution

The fourth proportional to 19,040.64, 26,276.04 and 10,543.20 is: 14,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.64 : 26,276.04 = 10,543.20 : x
  2. Step 2: Convert to fraction form
    19,040.64/26,276.04 = 10,543.20/x
  3. Step 3: Cross multiply
    19,040.64x = 26,276.04 × 10,543.20
  4. Step 4: Simplify right side
    19,040.64x = 277,033,544.93
  5. Step 5: Solve for x
    x = 277,033,544.93/19,040.64
  6. Step 6: Final answer
    x = 14,549.59

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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.