Home / 25,521.51-35,210.35-15,446.28

Finding the Fourth Proportional to 25,521.51, 35,210.35 and 15,446.28

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Solution

The fourth proportional to 25,521.51, 35,210.35 and 15,446.28 is: 21,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.51 : 35,210.35 = 15,446.28 : x
  2. Step 2: Convert to fraction form
    25,521.51/35,210.35 = 15,446.28/x
  3. Step 3: Cross multiply
    25,521.51x = 35,210.35 × 15,446.28
  4. Step 4: Simplify right side
    25,521.51x = 543,868,925.00
  5. Step 5: Solve for x
    x = 543,868,925.00/25,521.51
  6. Step 6: Final answer
    x = 21,310.22

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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.