Home / 25,386.12-35,031.60-14,055.30

Finding the Fourth Proportional to 25,386.12, 35,031.60 and 14,055.30

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Solution

The fourth proportional to 25,386.12, 35,031.60 and 14,055.30 is: 19,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.12 : 35,031.60 = 14,055.30 : x
  2. Step 2: Convert to fraction form
    25,386.12/35,031.60 = 14,055.30/x
  3. Step 3: Cross multiply
    25,386.12x = 35,031.60 × 14,055.30
  4. Step 4: Simplify right side
    25,386.12x = 492,379,647.48
  5. Step 5: Solve for x
    x = 492,379,647.48/25,386.12
  6. Step 6: Final answer
    x = 19,395.62

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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.