Home / 25,420.16-38,132.80-6,952.32

Finding the Fourth Proportional to 25,420.16, 38,132.80 and 6,952.32

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Solution

The fourth proportional to 25,420.16, 38,132.80 and 6,952.32 is: 10,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.16 : 38,132.80 = 6,952.32 : x
  2. Step 2: Convert to fraction form
    25,420.16/38,132.80 = 6,952.32/x
  3. Step 3: Cross multiply
    25,420.16x = 38,132.80 × 6,952.32
  4. Step 4: Simplify right side
    25,420.16x = 265,111,428.10
  5. Step 5: Solve for x
    x = 265,111,428.10/25,420.16
  6. Step 6: Final answer
    x = 10,429.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.