Home / 25,675.55-35,417.48-15,459.48

Finding the Fourth Proportional to 25,675.55, 35,417.48 and 15,459.48

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Solution

The fourth proportional to 25,675.55, 35,417.48 and 15,459.48 is: 21,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.55 : 35,417.48 = 15,459.48 : x
  2. Step 2: Convert to fraction form
    25,675.55/35,417.48 = 15,459.48/x
  3. Step 3: Cross multiply
    25,675.55x = 35,417.48 × 15,459.48
  4. Step 4: Simplify right side
    25,675.55x = 547,535,823.71
  5. Step 5: Solve for x
    x = 547,535,823.71/25,675.55
  6. Step 6: Final answer
    x = 21,325.18

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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.