Home / 19,315.51-26,653.19-10,816.45

Finding the Fourth Proportional to 19,315.51, 26,653.19 and 10,816.45

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Solution

The fourth proportional to 19,315.51, 26,653.19 and 10,816.45 is: 14,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.51 : 26,653.19 = 10,816.45 : x
  2. Step 2: Convert to fraction form
    19,315.51/26,653.19 = 10,816.45/x
  3. Step 3: Cross multiply
    19,315.51x = 26,653.19 × 10,816.45
  4. Step 4: Simplify right side
    19,315.51x = 288,292,896.98
  5. Step 5: Solve for x
    x = 288,292,896.98/19,315.51
  6. Step 6: Final answer
    x = 14,925.46

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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.