Home / 25,885.47-35,678.93-18,322.10

Finding the Fourth Proportional to 25,885.47, 35,678.93 and 18,322.10

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Solution

The fourth proportional to 25,885.47, 35,678.93 and 18,322.10 is: 25,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.47 : 35,678.93 = 18,322.10 : x
  2. Step 2: Convert to fraction form
    25,885.47/35,678.93 = 18,322.10/x
  3. Step 3: Cross multiply
    25,885.47x = 35,678.93 × 18,322.10
  4. Step 4: Simplify right side
    25,885.47x = 653,712,790.76
  5. Step 5: Solve for x
    x = 653,712,790.76/25,885.47
  6. Step 6: Final answer
    x = 25,254.04

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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.