Home / 18,337.16-25,303.74-10,783.76

Finding the Fourth Proportional to 18,337.16, 25,303.74 and 10,783.76

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Solution

The fourth proportional to 18,337.16, 25,303.74 and 10,783.76 is: 14,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.16 : 25,303.74 = 10,783.76 : x
  2. Step 2: Convert to fraction form
    18,337.16/25,303.74 = 10,783.76/x
  3. Step 3: Cross multiply
    18,337.16x = 25,303.74 × 10,783.76
  4. Step 4: Simplify right side
    18,337.16x = 272,869,459.26
  5. Step 5: Solve for x
    x = 272,869,459.26/18,337.16
  6. Step 6: Final answer
    x = 14,880.68

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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.