Home / 18,931.84-26,125.76-10,547.84

Finding the Fourth Proportional to 18,931.84, 26,125.76 and 10,547.84

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Solution

The fourth proportional to 18,931.84, 26,125.76 and 10,547.84 is: 14,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.84 : 26,125.76 = 10,547.84 : x
  2. Step 2: Convert to fraction form
    18,931.84/26,125.76 = 10,547.84/x
  3. Step 3: Cross multiply
    18,931.84x = 26,125.76 × 10,547.84
  4. Step 4: Simplify right side
    18,931.84x = 275,570,336.36
  5. Step 5: Solve for x
    x = 275,570,336.36/18,931.84
  6. Step 6: Final answer
    x = 14,555.92

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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.