Home / 19,053.51-26,300.75-15,510.57

Finding the Fourth Proportional to 19,053.51, 26,300.75 and 15,510.57

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Solution

The fourth proportional to 19,053.51, 26,300.75 and 15,510.57 is: 21,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.51 : 26,300.75 = 15,510.57 : x
  2. Step 2: Convert to fraction form
    19,053.51/26,300.75 = 15,510.57/x
  3. Step 3: Cross multiply
    19,053.51x = 26,300.75 × 15,510.57
  4. Step 4: Simplify right side
    19,053.51x = 407,939,623.93
  5. Step 5: Solve for x
    x = 407,939,623.93/19,053.51
  6. Step 6: Final answer
    x = 21,410.21

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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.