Home / 18,762.12-25,861.95-14,776.92

Finding the Fourth Proportional to 18,762.12, 25,861.95 and 14,776.92

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Solution

The fourth proportional to 18,762.12, 25,861.95 and 14,776.92 is: 20,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.12 : 25,861.95 = 14,776.92 : x
  2. Step 2: Convert to fraction form
    18,762.12/25,861.95 = 14,776.92/x
  3. Step 3: Cross multiply
    18,762.12x = 25,861.95 × 14,776.92
  4. Step 4: Simplify right side
    18,762.12x = 382,159,966.19
  5. Step 5: Solve for x
    x = 382,159,966.19/18,762.12
  6. Step 6: Final answer
    x = 20,368.70

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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.