Home / 47,153.16-70,719.84-13,864.32

Finding the Fourth Proportional to 47,153.16, 70,719.84 and 13,864.32

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Solution

The fourth proportional to 47,153.16, 70,719.84 and 13,864.32 is: 20,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,153.16 : 70,719.84 = 13,864.32 : x
  2. Step 2: Convert to fraction form
    47,153.16/70,719.84 = 13,864.32/x
  3. Step 3: Cross multiply
    47,153.16x = 70,719.84 × 13,864.32
  4. Step 4: Simplify right side
    47,153.16x = 980,482,492.11
  5. Step 5: Solve for x
    x = 980,482,492.11/47,153.16
  6. Step 6: Final answer
    x = 20,793.57

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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.