Home / 25,587.06-35,319.98-14,980.12

Finding the Fourth Proportional to 25,587.06, 35,319.98 and 14,980.12

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Solution

The fourth proportional to 25,587.06, 35,319.98 and 14,980.12 is: 20,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.06 : 35,319.98 = 14,980.12 : x
  2. Step 2: Convert to fraction form
    25,587.06/35,319.98 = 14,980.12/x
  3. Step 3: Cross multiply
    25,587.06x = 35,319.98 × 14,980.12
  4. Step 4: Simplify right side
    25,587.06x = 529,097,538.80
  5. Step 5: Solve for x
    x = 529,097,538.80/25,587.06
  6. Step 6: Final answer
    x = 20,678.32

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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.