Home / 18,513.09-25,547.67-10,554.57

Finding the Fourth Proportional to 18,513.09, 25,547.67 and 10,554.57

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Solution

The fourth proportional to 18,513.09, 25,547.67 and 10,554.57 is: 14,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.09 : 25,547.67 = 10,554.57 : x
  2. Step 2: Convert to fraction form
    18,513.09/25,547.67 = 10,554.57/x
  3. Step 3: Cross multiply
    18,513.09x = 25,547.67 × 10,554.57
  4. Step 4: Simplify right side
    18,513.09x = 269,644,671.35
  5. Step 5: Solve for x
    x = 269,644,671.35/18,513.09
  6. Step 6: Final answer
    x = 14,565.08

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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.