Home / 25,587.06-35,312.73-14,258.40

Finding the Fourth Proportional to 25,587.06, 35,312.73 and 14,258.40

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Solution

The fourth proportional to 25,587.06, 35,312.73 and 14,258.40 is: 19,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.06 : 35,312.73 = 14,258.40 : x
  2. Step 2: Convert to fraction form
    25,587.06/35,312.73 = 14,258.40/x
  3. Step 3: Cross multiply
    25,587.06x = 35,312.73 × 14,258.40
  4. Step 4: Simplify right side
    25,587.06x = 503,503,029.43
  5. Step 5: Solve for x
    x = 503,503,029.43/25,587.06
  6. Step 6: Final answer
    x = 19,678.03

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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.