Home / 25,587.02-35,307.69-18,876.38

Finding the Fourth Proportional to 25,587.02, 35,307.69 and 18,876.38

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Solution

The fourth proportional to 25,587.02, 35,307.69 and 18,876.38 is: 26,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.02 : 35,307.69 = 18,876.38 : x
  2. Step 2: Convert to fraction form
    25,587.02/35,307.69 = 18,876.38/x
  3. Step 3: Cross multiply
    25,587.02x = 35,307.69 × 18,876.38
  4. Step 4: Simplify right side
    25,587.02x = 666,481,373.36
  5. Step 5: Solve for x
    x = 666,481,373.36/25,587.02
  6. Step 6: Final answer
    x = 26,047.64

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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.