Home / 19,203.99-26,510.40-13,543.35

Finding the Fourth Proportional to 19,203.99, 26,510.40 and 13,543.35

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Solution

The fourth proportional to 19,203.99, 26,510.40 and 13,543.35 is: 18,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.99 : 26,510.40 = 13,543.35 : x
  2. Step 2: Convert to fraction form
    19,203.99/26,510.40 = 13,543.35/x
  3. Step 3: Cross multiply
    19,203.99x = 26,510.40 × 13,543.35
  4. Step 4: Simplify right side
    19,203.99x = 359,039,625.84
  5. Step 5: Solve for x
    x = 359,039,625.84/19,203.99
  6. Step 6: Final answer
    x = 18,696.10

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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.