Home / 25,851.80-35,666.40-16,904.54

Finding the Fourth Proportional to 25,851.80, 35,666.40 and 16,904.54

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Solution

The fourth proportional to 25,851.80, 35,666.40 and 16,904.54 is: 23,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.80 : 35,666.40 = 16,904.54 : x
  2. Step 2: Convert to fraction form
    25,851.80/35,666.40 = 16,904.54/x
  3. Step 3: Cross multiply
    25,851.80x = 35,666.40 × 16,904.54
  4. Step 4: Simplify right side
    25,851.80x = 602,924,085.46
  5. Step 5: Solve for x
    x = 602,924,085.46/25,851.80
  6. Step 6: Final answer
    x = 23,322.33

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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.