Home / 25,675.29-35,434.53-18,511.11

Finding the Fourth Proportional to 25,675.29, 35,434.53 and 18,511.11

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Solution

The fourth proportional to 25,675.29, 35,434.53 and 18,511.11 is: 25,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.29 : 35,434.53 = 18,511.11 : x
  2. Step 2: Convert to fraction form
    25,675.29/35,434.53 = 18,511.11/x
  3. Step 3: Cross multiply
    25,675.29x = 35,434.53 × 18,511.11
  4. Step 4: Simplify right side
    25,675.29x = 655,932,482.63
  5. Step 5: Solve for x
    x = 655,932,482.63/25,675.29
  6. Step 6: Final answer
    x = 25,547.23

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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.