Home / 65,587.04-98,384.88-18,840.32

Finding the Fourth Proportional to 65,587.04, 98,384.88 and 18,840.32

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Solution

The fourth proportional to 65,587.04, 98,384.88 and 18,840.32 is: 28,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,587.04 : 98,384.88 = 18,840.32 : x
  2. Step 2: Convert to fraction form
    65,587.04/98,384.88 = 18,840.32/x
  3. Step 3: Cross multiply
    65,587.04x = 98,384.88 × 18,840.32
  4. Step 4: Simplify right side
    65,587.04x = 1,853,602,622.36
  5. Step 5: Solve for x
    x = 1,853,602,622.36/65,587.04
  6. Step 6: Final answer
    x = 28,261.72

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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.