Home / 25,281.81-34,888.86-14,673.51

Finding the Fourth Proportional to 25,281.81, 34,888.86 and 14,673.51

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Solution

The fourth proportional to 25,281.81, 34,888.86 and 14,673.51 is: 20,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.81 : 34,888.86 = 14,673.51 : x
  2. Step 2: Convert to fraction form
    25,281.81/34,888.86 = 14,673.51/x
  3. Step 3: Cross multiply
    25,281.81x = 34,888.86 × 14,673.51
  4. Step 4: Simplify right side
    25,281.81x = 511,942,036.10
  5. Step 5: Solve for x
    x = 511,942,036.10/25,281.81
  6. Step 6: Final answer
    x = 20,249.42

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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.