Home / 25,758.90-35,547.73-14,428.30

Finding the Fourth Proportional to 25,758.90, 35,547.73 and 14,428.30

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Solution

The fourth proportional to 25,758.90, 35,547.73 and 14,428.30 is: 19,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.90 : 35,547.73 = 14,428.30 : x
  2. Step 2: Convert to fraction form
    25,758.90/35,547.73 = 14,428.30/x
  3. Step 3: Cross multiply
    25,758.90x = 35,547.73 × 14,428.30
  4. Step 4: Simplify right side
    25,758.90x = 512,893,062.88
  5. Step 5: Solve for x
    x = 512,893,062.88/25,758.90
  6. Step 6: Final answer
    x = 19,911.30

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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.