Home / 19,315.38-26,653.02-10,816.32

Finding the Fourth Proportional to 19,315.38, 26,653.02 and 10,816.32

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Solution

The fourth proportional to 19,315.38, 26,653.02 and 10,816.32 is: 14,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.38 : 26,653.02 = 10,816.32 : x
  2. Step 2: Convert to fraction form
    19,315.38/26,653.02 = 10,816.32/x
  3. Step 3: Cross multiply
    19,315.38x = 26,653.02 × 10,816.32
  4. Step 4: Simplify right side
    19,315.38x = 288,287,593.29
  5. Step 5: Solve for x
    x = 288,287,593.29/19,315.38
  6. Step 6: Final answer
    x = 14,925.29

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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.